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Haier AC28NACBEA [11/26] Trouble shooting
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9
Before ask for services, please first check your unit against the following.
Air conditioner won't start.
Poor cooling or heating
Is power supply switch
turned on?
Power supply switch
is not set at ON.
Is city power supply normal? Is leakage current breaker
activated?
This is very dangerous, please
disconnect power supply
immediately and contact your
dealer.
Are operation control
adjusted correctly
as specified?
Is air filter too dirty?
Are there any obstacles in inlet
or outlet grill?
Are horizontal louvers at up
position (in heating mode)?
Any doors or windows left
open?
Is there any direct sunlight
in the room?
If there are unexpected heat
sources in the room?
Too many people in the room?
Poor cooling
Is air conditioner in standby
condition in heating mode?
Cold air blows out
(in heating mode)
If your unit still can't work properly after above mentioned
checks, or following problems occur, please stop it immediately
and contact your dealer.
Fuses or circuit breakers often blow out.
Water comes out in cooling/dry operation.
Operation is abnormal or sound is heard.
Trouble Shooting
Failure description
Room temp. sensor abnormal
Indoor coil temp. sensor abnormal
Outdoor coil temp. sensor abnormal
Over-current malfunction
Communication malfunction between indoor and wired controller
Communication malfunction between indoor and outdoor abnormal
Coil gas pipe temp. Sensor abnormal
Code on wired Flash times of indoor
controller receiver board
01 Power LED flashes 1 time
02 Power LED flashes 2 times
4A Power LED flashes 3 times
49 Power LED flashes 4 times
48 Power LED flashes 5 times
53 Power LED flashes 6 times
07 Power LED flashes 8 times
06 Power LED flashes 9 times
03 Power LED flashes 12 times
Outdoor temp. sensor abnormal
High / Low pressure abnormal
Temperature protection malfunction
0D Power LED flashes 13 times
Drainage system malfunction
08 Power LED flashes 10 times
Alarm of exterior annunciator
0B Power LED flashes 11 times
Proper
temp
Power
failure?
*
Содержание
- Operation installation manual 1
- Contents 2
- Cautions 3
- Disposal of the old air conditioner 3
- Disposal of the packaging of your new air conditioner 3
- Cautions 4
- Caution 5
- Danger 5
- Safety precautions 5
- Warning 5
- Automatic operation 6
- Cooling type 6
- Features and functions 6
- Heat cool type 6
- Mildew resistant filter 6
- Wireless remote control unit 6
- Fig indoor unit 7
- For series 14 18 24 7
- For series 28 7
- For series 36 42 52 7
- Name of parts 7
- Caution 8
- Cleaning and care 8
- Cleaning the air filter 8
- Caution 9
- Cleaning and care 9
- Followings are not problems 10
- Trouble shooting 10
- Air conditioner won t start 11
- Before ask for services please first check your unit against the following 11
- Poor cooling 11
- Poor cooling or heating 11
- Trouble shooting 11
- Cooling 12
- Db c wb c 12
- Db c wb c db c wb c 12
- Heating 12
- Heating performance 12
- Indoor 12
- Operation and performance 12
- Operation tips 12
- Outdoor 12
- Outdoor db c wb c 12
- Rated maximum minimum 27 32 18 19 23 14 35 43 10 24 26 6 20 27 15 14 7 24 7 6 18 12
- Temperature and humidity range 12
- Trouble alarming performance 12
- Caution 13
- Installation of indoor unit 13
- Location 13
- Operating noise 13
- Warning 13
- Wiring 13
- For authorized service personnel only 14
- Installation of indoor unit 14
- Selecting the mounting position 14
- Warning 14
- Installation of indoor unit 15
- No accessory parts qty 15
- Remarks 15
- Standard parts 15
- A floor console type 16
- Connection pipe requirement 16
- Installation of indoor unit 16
- Installation procedure 16
- Preparing indoor unit installation 16
- Caution 17
- Installation of indoor unit 17
- Installing drain hose 17
- Caution 18
- Fig 10 18
- Fig 11 18
- Install the drain hose at the rear it should not be installed on the top or right side 18
- Installation of indoor unit 18
- Rear install the drain hose in the direction 18
- With a concrete drill drill four 12 mm dia holes fig 2 18
- Install the drain hose select whether the drain hose will be connected to the left or right side fig insert the drain hose into the drain pan then secure the drain hose with a nylon fastener fig wrap the insulation drain hose around the drain hose connection fig be sure to arrange the drain hose correctly so that it is leveled lower than the drain hose connecting port of the indoor unit fig 19
- Installation of indoor unit 19
- Installing brackets 19
- Installing indoor unit 19
- A for solid core wiring or f cable fig 9a 20
- After connecting the piping check the joints for gas leakage with gas leakage detector 20
- Caution 20
- Gas leakage inspection 20
- How to connect wiring to the terminals 20
- Installation of indoor unit 20
- B for strand wiring fig 9b 21
- Fig 20 21
- How to fixed connection cord and power cable at the cord clamp 21
- Installation of indoor unit 21
- Insulation tube 21
- 1 match the terminal block numbers and connection cord colors with those of the outdoor unit erroneous wiring may cause burning of the electric parts 22
- 1 remove the electric component box 22
- 2 connect the connection cords firmly to the terminal block imperfect installation may cause a fire 22
- 3 always fasten the outside covering of the connection cord with the cord clamp if the insulator is chafed electric leakage may occur 22
- 4 always connect the ground wire 22
- Caution 22
- Electrical requirement 22
- Electrical wiring 22
- Fig 21 22
- Indoor unit side 22
- Installation of indoor unit 22
- 2 pull out the electric component box 23
- 3 remove the electric component box cover 23
- Caution 23
- Fig 22 23
- Fig 23 23
- Fig 24 23
- Installation of indoor unit 23
- Electrical wiring 24
- Installation of indoor unit 24
- Warning 24
- Caution 25
- Check items 25
- Customer guidance 25
- Installation of indoor unit 25
- Mount the cover plate and the intake grill 25
- Mount the cover plate right 25
- Test running 25
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