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Haier HCFU-28CF03 [11/25] Trouble shooting
![Haier HCFU-28CF03 [11/25] Trouble shooting](/views2/1807720/page11/bgb.png)
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
Flash times of indoor receiver board
Power LED flashes 1 time
Power LED flashes 2 times
Power LED flashes 3 times
Power LED flashes 4 times
Power LED flashes 5 times
Power LED flashes 16 times
Power LED flashes 8 times
Power LED flashes 9 times
Power LED flashes 12 times
Outdoor temp. sensor abnormal
High / Low pressure abnormal
Temperature protection malfunction
Power LED flashes 13 times
Drainage system malfunction
Power LED flashes 10 times
Alarm of exterior annunciator
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
- Wireless remote control unit 6
- Fig indoor unit 7
- For series 18 7
- For series 28 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
- Microcomputer controlled automatic defrosting 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
- A floor console type 15
- Connection pipe requirement 15
- Installation of indoor unit 15
- Installation procedure 15
- Preparing indoor unit installation 15
- Caution 16
- Installation of indoor unit 16
- Installing drain hose 16
- 1240 1320 17
- Caution 17
- Fig 10 17
- Fig 11 17
- Install the drain hose at the rear it should not be installed on the top or right side 17
- Installation of indoor unit 17
- Rear install the drain hose in the direction 17
- Series a b 17
- With a concrete drill drill four 12 mm dia holes fig 2 17
- 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 18
- Installation of indoor unit 18
- Installing brackets 18
- Installing indoor unit 18
- A for solid core wiring or f cable fig 9a 19
- After connecting the piping check the joints for gas leakage with gas leakage detector 19
- Caution 19
- Gas leakage inspection 19
- How to connect wiring to the terminals 19
- Installation of indoor unit 19
- B for strand wiring fig 9b 20
- Fig 20 20
- How to fixed connection cord and power cable at the cord clamp 20
- Installation of indoor unit 20
- Insulation tube 20
- Indoor unit side 21
- Installation of indoor unit 21
- 2 pull out the electric component box 22
- 3 remove the electric component box cover 22
- Caution 22
- Fig 22 22
- Fig 23 22
- Fig 24 22
- Installation of indoor unit 22
- Electrical wiring 23
- Installation of indoor unit 23
- Warning 23
- Caution 24
- Check items 24
- Customer guidance 24
- Installation of indoor unit 24
- Mount the cover plate and the intake grill 24
- Mount the cover plate right 24
- Test running 24
- Fig 27 25
- Fig 28 25
- Fig 29 25
- Installation of indoor unit 25
- Mount the cover plate left 25
- Mount the intake grill 25
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