Manuale d’uso / di manutenzione del prodotto HSU-12HSA03/R2(DB) del fabbricante Haier
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Haier air conditioner Edition: 200701 1 6 -1- Domestic Air co nditioner CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE.
Haier air conditioner Edition: 200701 1 6 -2- CONTENTS 1. GENERAL INFORMATION............................................................ ...3 2. SPECIFICATION............................................................................ .. . 6 3. ELEC TRICAL CONTROL.
Haier air conditioner Edition: 2007 0116 -3- 1. General information This Service Manual describes the operation, disassembly, tr oubleshooting, and repair of Haier Room Air Conditioners, etc. It is intended for use by authorized services who troubleshoot and repair these units.
Haier air conditioner Edition: 200701 1 6 -4- MODEL: HSU -09HSA03/R2(DB) Product Features Healthy negative ion Intelligent airflow Entire auto mode ESF filter Easy clean design Main Specification Cooling Capacity: 2400W Power Input: 680W Current Input :3.
Haier air conditioner Edition: 200701 1 6 -5- M O DEL: HSU -12 HS A 03/R2 (DB) Product Features Healthy negative ion Intelligent airflow Entire auto mode ESF filter Easy clean design Main Specification Cooling Capacity: 3300W Power Input: 1078W Current Input : 4.
Haier air conditioner Edition: 200701 1 6 -6- 2. Specification Item Unit HSU- 09HSA03 /R2(DB) HSU- 12HSA03 /R2(DB) Power PH , V , H z 1, 230, 50 1,230,50 Climate Type T 1 T 1 Starting Current A 10 12 Cooling Capacity W 2400 3300 Rated Power W 68 0 1078 Rated Current A 3.
Haier air conditioner Edition: 200701 1 6 -7- Type R410A R410A Net Charge g 80 0 1200 Refrigerant Charge if over standard pipe length g/ m 12 12 Liquid pipe Diameter mm 6.
Haier air conditioner Edition: 200701 1 6 -8- 3. Electrical control ĉ . Scope of Application This specification use for HSU -09/ 12HSA03/R2 ˄ DB ˅ frequency conversion air condition are manufactured by Haier air condition parent company.
Haier air conditioner Edition: 2007 0116 -9- 32 P A6 pushup stepping motor C 33 P A 7 pushup stepping motor D 34 PTB0/ATD0 output outdoor communication 35 PTB1/ATD1 input outdoor communication 36 PTB2.
Haier air conditioner Edition: 200701 1 6 -1 0- 2.1.1 Standard of temp erature sensor under indoor environment. When the line is in short circuit or open circuit, the indicator light will be alarming and the indoor fan motor will be off. It will resume to the original state automatically after it retu r ns normally, and operates as usual.
Haier air conditioner Edition: 20070116 -1 1- Mode Corrected contents Corrected variable Corrected parameter Correct the operating mode ETBL0 4.67 ć Correct forced operating mode ETBL1 6 ć When the air capacity is low to correct it ETBL2 4.67 ć Heat When the air capacity is low to correct it ETBL3 4.
Haier air conditioner Edition: 20070116 -1 2- When the system is in test run, emergency operation, silencing operation mode, the DASH will be stopped. 2.
Haier air conditioner Edition: 20070116 -1 3- Controlling table in the identity area ˖ Temperature change area AB C D E F G H Heat FQUP(2Hz) FQUP(2Hz) FQUP(2Hz) FQUP(1Hz) FQUP(1Hz) Cool and dry FQUP(2Hz) FQUP(2Hz) FQUP(2Hz) FQUP(1Hz) FQUP(1Hz) FQUPH ˖ 2Hz ˗ FQUPL ˖ 1Hz 2.
Haier air conditioner Edition: 20070116 -1 4- correction the limit frequency according to the following condition: Outdoor temperature condition Indication frequency 011(20 ć more than) Low fan or he.
Haier air conditioner Edition: 20070116 -1 5- Based on the heat exchange temperature to control the indoor fan as the above shown. 1. When the heat exchange temperature rise, to distinguish the fan speed based on the heat exchange temperature: The h eat ex change tem per at ure is les s th an 3 5.
Haier air conditioner Edition: 20070116 -1 6- 3. 1.2 Compressor OFF and waiting for 3 minutes 1. The compressor is OFF (the flamestat is OFF), the air capacity will change from small to little small after 20 seconds (is SSLO in silence mode); 2.
Haier air conditioner Edition: 20070116 -1 7- 3.3.2 Compressor ON When the air capacity is set High, Middle and Low, the compressor will operate by the set mode. When the air capacity is set auto fan, the air capacity will be adjusted by the temperature.
Haier air conditioner Edition: 20070116 -1 8- After compressor starts, it’s not on the low load protection within 3 minutes. 4.3 ˊ No enhanced function for fan and defrosting mode. . Si le n ce oper at io n č Send silence operation signal to outdoor unit.
Haier air conditioner Edition:20070116 -1 9- 7.3 Timer ON /OFF The executing order is based on the direction from the board. . Sl e ep op er a t in g Đ 8. 1 During cool/ dry operation, the fixed temperature will rise by 1 ć after it operates for 1 hour.
Haier air conditioner Edition:20070116 -2 0- When the system switch from other mode to auto mode, if the operation status change (i.e. first determine and then operation), it will stop for 3 minutes and then determine temperature based on the indoor ventilation temperature.
Haier air conditioner Edition:20070116 -2 1- Heat exchange temperature sensor format: Fixed number B =3700 R (25 degree) =10KO In CoolDry operation mode, the unit performs low load protection operating according to Heat exchange temperature as following figure show.
Haier air conditioner Edition: 20070116 -2 2- High load protection activities are limited twice within 30 minutes, and then high load protection starts to be alarming. When Heat exchange temperature doesn’t reach "THHEAT[2]", the unit will return to state of normal temperature area control .
Haier air conditioner Edition: 20070116 -2 3- . E rro r ĒĎ list record It indicates nothing if error code has not is recorded. Fault signal show for 10s to auto off. Remote control only receives the ‘ off’ signal. Based on the ‘ on/off’ or off signal of remote control, the error list will stop show.
Haier air conditioner Edition: 20070116 -2 4- 2. Rating operating rati ng c ool : ķ a. G code enter condition ˖ high speed cool ˈ set tem p. i s 16 ć ˈ press temperature “- ” key and set key together, enter mode after resound 2 times.
Haier air conditioner Edition: 20070116 -2 5- in 7s ˈ resound 7 times. b. Then operation as following program: Enter min capacity rated frequency operation; panel show cool status; have ration in communication. Enter rated frequency operation; Panel show cool status; have ration in communication.
Haier air conditioner Edition: 20070116 -2 6- F6 Ambient temperature Sensor fault F7 Heat exchange Sensor F8 Fan unusual start F 9 P FC protection F 10 Cool overload F 11 Compressor rotor circuit faul.
Haier air conditioner Edition: 20070116 -2 7- 15s panel indicator extinguish, failure list express mode be canceled. Previous alarm information sent to display panel to indicate operating status. After 10s, cancel fault indicator (fault list indicator show for 10s only).
Haier air conditioner Edition: 20070116 -2 8- measure standard position for enter cool /heat mode. When operate starting, alarming to keep current position.
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Haier air conditioner Edition: 20070116 -3 0- 4. Thermistor resistance chart Room temperature sensor Temp. ( ć ) R (KO) Power Input (V) -20 281.34 0.33 -19 263.56 0.35 -18 247.84 0.37 -17 231.66 0.40 -16 217.35 0.42 -15 204.02 0.45 -14 191.61 0.47 -13 180.
Haier air conditioner Edition: 20070116 -3 1- 19 30.72 1.97 20 29.25 2.00 21 27.85 2.09 22 26.54 2.15 23 25.30 2.21 24 24.12 2.27 25 23.00 2.33 26 21.94 2.38 27 20.94 2.44 28 19.99 2.50 29 19.09 2.56 30 18.23 2.62 31 17.42 2.67 32 16.65 2.73 33 15.92 2.
Haier air conditioner Edition: 20070116 -3 2- 63 4.68 4.05 64 4.51 4.08 65 4.35 4.11 66 4.13 4.13 67 4.04 4.16 68 3.90 4.18 69 3.76 4.21 70 3.63 4.23 71 3.50 4.25 72 3.38 4.28 73 3.26 4.30 74 3.15 4.32 75 3.04 4.34 76 2.94 4.36 77 2.84 4.38 78 2.74 4.
Haier air conditioner Edition: 20070116 -3 3- 1 29.84 2.01 2 28.22 2.07 3 26.88 2.13 4 25.61 2.19 5 24.41 2.25 6 23.27 2.31 7 22.20 2.37 8 21.18 2.43 9 20.21 2.49 10 19.30 2.54 1 1 18.43 2.60 12 17.61 2.56 13 16.83 2.72 14 16.09 2.77 15 15.38 2.83 16 14.
Haier air conditioner Edition: 20070116 -3 4- 45 4.58 4.07 46 4.42 4.10 47 4.26 4.12 4 8 4.11 4.15 49 3.97 4.17 50 3.83 4.20 51 3.70 4.22 52 3.57 4.24 53 3.45 4.26 54 3.33 4.28 55 3.22 4.31 5 6 3.11 4.33 57 3.00 4.35 58 2.90 4.37 59 2.81 4.38 60 2.72 4.
Haier air conditioner Edition: 20070116 - 35 - OUTDOOR dischar ge -temperature sensor R 80 ć =50K ¡ ±3% B 25/80 ć =4450K±3% temperatur e max Resistance normal, Resistance min Resistanc e ¥˄ t ˅ ( ć ) (K ȍ )( K ȍ )( K ȍ ) ( ć ) -30 14646.0505 12061.
Haier air conditioner Edition: 20070116 - 36 - 1 2045.9191 1784.3336 1554.7931 -2.52 2.21 2 1932.0242 1687.8144 1473.1460 -2.50 2.20 3 1825.0899 1597.0431 1396.2333 -2.48 2.19 4 1724.6540 1511. 6468 1323.7551 -2.47 2.17 5 1630.2870 1431.2787 1255.4324 -2.
Haier air conditioner Edition: 20070116 - 37 - 41 262.0206 242. 6161 224.4465 -1.76 1.64 42 250.2676 232. 0436 214.9529 -1.74 1.63 43 239.0983 221. 9825 205.9065 -1.71 1.61 44 228.4809 212. 4060 197.2844 -1.69 1.59 45 218.3860 203. 2887 189.0648 -1.67 1.
Haier air conditioner Edition: 20070116 - 38 - 81 49.7063 48.2057 46.7083 -0.85 0.85 82 47.9835 46.4842 44.991 1 -0.89 0.89 83 46.3286 44.8323 43.3452 -0.93 0.92 84 44.7385 43.2468 41.7672 -0.96 0.95 85 43.2105 41.7248 40.2540 -1.00 0.99 86 41.7386 40.
Haier air conditioner Edition: 20070116 - 39 - 120 14.1376 13.1879 12.2909 -2.41 2.27 121 13.7294 12.7955 1 1.9144 -2.45 2.31 122 13.3347 12.4165 1 1.5510 -2.50 2.35 123 12.9531 12.0503 1 1.2003 -2.54 2.39 124 12.5840 1 1.6965 10.8617 -2.58 2.43 125 12.
Haier air conditioner Edition: 20070116 -40 - 5. Trouble shooting Indoor Outdoor P ossible Re asons E1 / 1) Room - temperature sensor 2) I ndoor PCB E2 / 1)Heat- exchange sensor 2)Indoor PCB F21 With .
Haier air conditioner Edition: 20070116 - 41 - F22 With this malfunction, LED1 on the outdoor mainboard blinks 3 times. 1)The SPDU is broken 2)The power supply is not good 3 ) The system may have been.
Haier air conditioner Edition: 20070116 - 42- E1: Room temperature sensor failure C N8 E2: Heat - exchange sensor failure Pull the sensor out of the mainboard 1) Measure the value of resistance between its two jumpers 2) Measure the temperature at the room temperature sensing head.
Haier air conditioner Edition: 20070116 - 43 - F21: Frost- removing temperature sensor failure C N 10 F25: Exhaust temperature sensor f ailure C N 1 1 F6: Ambient temperature sensor failure C N 9 Pull.
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Haier air conditioner Edition: 20070116 - 46- F11: The malfunction of the compressor’ rotor circuit The IPM might be broken, replace it with a new one. T he Malfunctions exist also . T he compressor is damaged replace a new one 1. The wiring of compressor is incorrect or the connection is poor; 2.
Haier air conditioner Edition: 20070116 - 47- F4: Overheat protection for exha ust temperature Yes Electrify the machine again and turn it on with the remote controller, then measure the temperature a.
Haier air conditioner Edition: 20070116 - 48- F22: AC electricity protection Repair t he power supply Yes Electrify the machine again and turn it on with the remote controller . I f malfunctions are reported before or upon the compressor being started up.
Haier air conditioner Edition: 20070116 -4 9- F1: The protection of IPM Electrify the machine again and turn it on with the remote controller, then measure temperature on the module radiator and decide whether it is too high.
Haier air conditioner Edition: 20070116 - 50 - E9: High work- intense protection Electrify the machine again and turn it on with the remote controller, then check whether the wind temperature is below.
Haier air conditioner Edition: 20070116 - 51- E4: Indoor EEPROM error Replace the PCB of indoor unit F12: Outdoor EEPROM error Replace the PCB of outdoor unit.
HSU-09/12HR03/R2(DB) Domestic air conditioner5 52 Service diagnosis 7.3.2 Indoor fan motor malfunction Indoor Display E14 Method of The rotation speed detected by the Hall IC during fan motor operatio.
Haier air conditioner Edition: 1006 1116 - 53 - F3 : Communication fault between the IPM and outdoor PCB 1, Check whether Terminal CN 7 on the outdoor mainboard , CN10 on IPM module are well inserted.
Haier air conditioner Edition: 20070116 - 54- F19: Power voltage is too high or low Check whether the voltage between P and N of Terminal CN7 of the outdoor is below 120vDC or u p 400 v DC.
Haier air conditioner Edition: 20070116 -5 5- Other malfunctions: With the machine electrified, the unit cannot open If there is no response after the emergency button is pressed down, shoot the trouble as follows No Check whether the voltage between Positions 1 and 2 on the terminal of the indoor unit i s 230V AC .
Haier air conditioner Edition: 20070116 - 56- 6. Performance curves diagram 6. 1 High drop and long pipe capacity modification curves.
Haier air conditioner Edition: 20070116 - 57- 6. 2. 1 Cooling capacity- temperature curves HSU -09HSA03/R2(DB) Cooling value - Temperature table Indoor temp.
Haier air conditioner Edition: 20070116 -5 8- HSU -12HSA03/R2(DB) Cooling value - Temperature table Indoor temp. Outdoor temp. (Humidity 46%) DB/WB 18 ć 20 ć 25 ć 32 ć 35 ć 40 ć 43 ć 46 ć 18/1.
Haier air conditioner Edition: 20070116 -5 9- 6. 2 . 2 Heating capacity- temperature curves HSU -09HSA03/R2(DB) Heating capacity - Temp. curves Outdoor temp.
Haier air conditioner Edition: 20070116 - 60 - HSU -12HSA03/R2(DB) Heating capacity - Temp. curves Outdoor temp. Indoor temp. (Humidity 46%) DB/WB 20/15 ć 20/12 ć 20/14.
Haier air conditioner Edition: 20070116 - 61- 6.3 Air outlet temp. - ambient temperature curves HS U - 09HSA03/R2(DB) Air outlet temp. - Ambient temp. table Indoor temp. Outdoor temp. (Humidity 46%) DB/WB 18 ć 20 ć 25 ć 32 ć 35 ć 40 ć 43 ć 46 ć 18/12 ć 9.
Haier air conditioner Edition: 20070116 - 62 - HSU -12HSA03/R2(DB) Air outlet temp. - Ambient temp. table Indoor temp. Outdoor temp. (Humidity 46%) DB/WB 18 ć 20 ć 25 ć 32 ć 35 ć 40 ć 43 ć 46 ć 18/12 ć 7.63 7.94 8.05 8.28 9.92 10.15 9.45 8.75 18/14 ć 7.
Haier air conditioner Edition: 20070116 - 63 - 6.4.1 Cooling discharge pressure curves HS U - 09HSA03/R2(DB) Cooling discharge pressure table Outdoor temp.
Haier air conditioner Edition: 20070116 - 64- HSU -12HSA03/R2(DB) Cooling discharge pressure table Outdoor temp. (Humidity 46%) Indoor temp. DB/WB 16 ć 19 ć 22 ć 15 ć 2286 2469 2725 25 ć 2530 268.
Haier air conditioner Edition: 20070116 - 65- 6.4.2 Cooling suction pressure curves HS U - 09HSA03/R2(DB) Cooling suction pressure table Outdoor temp. (Humidity 46%) Indoor temp.
Haier air conditioner Edition: 20070116 -6 6- HSU -12HSA03/R2(DB) Cooling suction pressure table Outdoor temp. (Humidity 46%) Indoor temp. DB/WB 16 ć 19 ć 22 ć 15 ć 718 760 821 25 ć 735 782 830 3.
Haier air conditioner Edition: 20070116 - 67- 6.4.3 Heating discharge pressure curves HS U - 09HSA03/R2(DB) Heating discharge pressure table Outdoor temp.
Haier air conditioner Edition: 20070116 -6 8- HSU -12HSA03/R2(DB) Heating discharge pressure table Outdoor temp. (Humidity 46%) Indoor temp. DB/WB 15 ć 20 ć 25 ć ˉ 15 ć 2087 2226 2400 ˉ 10 ć 21.
Haier air conditioner Edition: 20070116 -6 9- 6.4.4 Heating suction pressure curves HS U - 09HSA03/R2(DB) Heating suction pressure table O utdoor temp.
Haier air conditioner Edition: 20070116 - 70 - HSU -12HSA03/R2(DB) Heating suction pressure table Outdoor temp. ( H umidity 46%) Indoor temp. DB/WB 15 ć 20 ć 25 ć ˉ 15 ć 550 607 660 ˉ 10 ć 571 .
Haier air conditioner Edition: 20070116 - 71- 6.5 Sensible cooling value - temp erature curves HS U - 09HSA03/R2(DB) Sensible cooling value - Temperature table Indoor temp.
Haier air conditioner Edition: 20070116 - 72- HS U - 12HSA03/R2(DB) Sensible cooling value - Temperature table Indoor temp. Outdoor temp. (Humidity 46%) DB/WB 18 ć 20 ć 25 ć 32 ć 35 ć 40 ć 43 ć.
Haier air conditioner Edition: 20070116 -73- 6. 6 Power consumption - temp. Curves HS U - 09HSA03/R2(DB) Power consumption value - Temp. table Indoor temp.
Haier air conditioner Edition: 20070116 - 74 - HSU -12HSA03/R2(DB) Power consumpt ion value - Temp. table Indoor temp. Outdoor temp. (Humidity 46%) DB/WB 18 ć 20 ć 25 ć 32 ć 35 ć 40 ć 43 ć 46 .
Haier air conditioner Edition: 20070116 - 75- 6. 7 Noise curves HS U - 09HSA03/R2(DB) NOISE LEVEL 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz INDOOR 44 40 29 25 14 0 0 0 OUTDOOR 51 48 44 39 31 .
Haier air conditioner Edition: 20070116 -7 6- 6. 8 Compressor performance curves COMPRESSOR: DA89X1C - 20FZ HSU- 09HSA03/R2(DB) SERIAL NUMBER 1 2 3456 7 FREQUENCY 20 30 40 50 60 70 78 INPUT POWER 346 .
Haier air conditioner Edition: 20070116 -7 7- COMPRESSOR: C - 6RZ092H1A HSU- 12 HSA03/R2(DB) SERIAL NUMBER 1 2 3456 7 FREQUENCY 20 30 40 50 60 70 78 INPUT POWER 455 659 821 1065 1309 1760 1877 SERIAL .
Haier air conditioner Edition:20070116 -7 8- 7. Wiring diagram 127(67+(3$5762) '277('ķǃĸ$1' Ĺ$5(237,21$/ 7+(81,7 :,7+2877+(+($/7+ )81&am.
Haier air conditioner Edition: 20070116 - 79- 7(50,1$/ %/2&. 72,1'225 81,7 &$3$&,725 3&%%2$5' )$102725ĸ,6)25Ā%78ā81,76˗ :,5,1*.
118 HSU- 09/12H SA03/R2 (DB) Appendix 10.3 Circuit Diagram Domestic Air Conditioner 1 2 4 3 A B C D 4 3 2 1 D C B A PT E3/O SC2 43 PT E4/ OSC1 44 PT C3 5 PT D 0 /SS 12 PT D 1 /MI SO 13 P T D4 /T1 C H0.
Haier air conditioner Edition: 20070116 - 81 - Outdoor Unit.
No .0010562526 Installation Man ual of Room Air Conditioner Drawing f or the installation of indoor and outdoor units The models adopt HFC free refrigerant R410A No .
Fixing of outdoor unit Indoor Unit Selection of Installation Place Power Source Selection of pipe Outdoor Unit Fix the unit to concrete or block with bolts( 10mm) and nuts firmly and horizontally . When fitting the unit to wall surface, roof or rooftop, fix a supporter surely with nails or wires in consideration of earthquake and strong wind.
A=180mm B=70mm Indoor unit 1.Fitting of the Mounting Plate and Positioning of the wall Hole 2.Making a Hole on the W all and Fitting the Piping Hole Cover When the mounting plate is first fixed When the mounting plate is fixed side bar and lintel 1.
Indoor unit 3.Installation of the Indoor Unit 4.Connecting the indoor/outdoor Electric Cable Drawing of pipe Fixing the indoor unit body Removing the wiring cover Rear piping Left Left-rear piping Oth.
Indoor unit When connecting the cable after installing the indoor unit When connecting the cable bef ore installing the indoor unit 1. Inser t from outside the room cable into left side of the w all hole, in which the pipe has already e xisted. 2. Pull out the cable on the front side, and connect the cab le making a loop .
Outdoor unit 1.Installation of Outdoor Unit 3.Connection 4.Attaching Drain-Elbo w 2.Connection of pipes Install according to T o bend a pipe, giv e the roundness as large as possible not to crush the pipe ,and the bending radius should be 30 to 40 mm or longer .
Outdoor unit 5.Purging Method:T o use v acuum pump Detach the service por t's cap of 3-way v alve , the valv e rod's cap for 2-w ay valv e and 3-wa y's, connect the service por t into the projection of charge hose (Iow) f or gaugemanifold.
1.Cut pipe 3.Inser t the flare nut 4.Flare pipe It becomes high midwa y . The end is immersed in water . It wav es. The gap with the ground is too small Less than 5cm There is the bad smell from a ditch 2.
Haier air conditioner Edition: 200701 1 6 Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Haier HSU-12HSA03/R2(DB) è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Haier HSU-12HSA03/R2(DB) - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Haier HSU-12HSA03/R2(DB) imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Haier HSU-12HSA03/R2(DB) ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Haier HSU-12HSA03/R2(DB), ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Haier HSU-12HSA03/R2(DB).
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Haier HSU-12HSA03/R2(DB). Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Haier HSU-12HSA03/R2(DB) insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
