Hisense GBF18H-S User Manual page 108

7 . T R O U B L E S H O
7 . T R O U B L E S H O
Fault
Fault Description
code
40 The grill protection
41 Zero check fault
51 Drainage protection
52 The grill protection
The upper panel is not in
53
place to protection
The lower panel is not in
54
place to protection
55 Mode Conflict Fault
Refrigeration freezing
56
protection
ON/OFF UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V6.0
O T I N G
O T I N G
Possible Reason of Abnormality
1.The grill has not been installed in
right place;
2.The protection switch is failure;
3.The indoor control board is failure.
Control board is failure.
1. The water level of the drain pan
exceed
safe level;
2. The cable of the water level switch
connect loose;
3.The water level switch is failure;
4. The control board is failure.
1.The grill has not been installed in
right place;
2.The protection switch is failure;
3. The control board is failure.
1. The front panel has been blocked;
2. The cable of the switch and the
motor connect loose;
3. The switch is failure;
4. The panel motor is failure;
5. The indoor control board is failure.
1. The front panel has been blocked;
2. The cable of the switch and the
motor connect loose;
3. The switch is failure;
4. The panel motor is failure;
5. The indoor control board is failure.
The user set the conflicting mode for
more than two indoor units
1. System refrigerant short.
2. Outdoor temperature is too low;
3. The indoor unit air out short
circuit.
4. Indoor exchanger too much dust;
5. Indoor fan is failure or baffled；
6. Indoor fan motor 's rotating
How to Deal With
1. Adjust the grill and put it in right
place;
2. Replace the switch components;
3. Replace the indoor control board.
Replace the indoor control board.
1. Check whether there are
something to block the drain hose or
the height of the drain hose is too
high;
1.2 Check the water pump and replace the
water pump if the water pump is failure;
2. Reconnect the cable of the water level
switch refer to the wiring diagram;
3. Replace the water level switch;
4. Replace the control board.
1. Adjust the grill and put it in right
place;
2. Replace the switch components;
3. Replace the indoor control board.
1. Reassembly the front panel;
2. Reconnect the cable of the switch
and the panel motor;
3. Replace the switch components;
4. Replace the panel motor;
5. Replace the indoor control board.
1. Reassembly the front panel;
2. Reconnect the cable of the switch
and the panel motor;
3. Replace the switch components;
4. Replace the panel motor;
5. Replace the indoor control board.
Reset the operate mode for the
indoor unit, for the one outdoor unit,
the user should avoid to set the
conflicting operate mode with the
indoor units
1. Empty the refrigerant , air exhaust and
recharge refrigerant;
2. Use the air-conditioner within the
allowed temperature;
3. Adjust the installation place;
4. Clean the indoor heat changer;
REMARKS
Only for
MUTI-SPLIT
PG motor
ONLY FOR
MUTI-SPLIT
& VRF
TYPES
Only for VRF
106