1-16
Note:
CDF LED = Cool/Dry/Fan LED, turns on in these modes.
The unit will not detect sensor missing when the compressor is ON.
LED INDICATOR LIGHTS: NORMAL OPERATION AND FAULT CONDITIONS FOR COOLING
Event PWR LED Timer LED Other LEDs Error Code
1. Room Sensor Open or Short Blink 1 time - Blink Fan Blink E1
2. Indoor Coil Sensor Open Blink 2 times - Blink Dry & Fan Blink E2
3. Outdoor Coil Sensor Open Blink 3 times - Blink Dry Blink E3
4. Compressor Overload / Blink 1 time Blink Cool Blink E4
Indoor Coil Sensor
Short / Outdoor Coil
Sensor Short
5. Gas Leak Blink 3 times Blink Cool & Dry Blink E5
6. Water Pump Fault Blink 2 times Blink Cool & Fan Blink E6
7. Outdoor Defrost - No indication in display -
panel (Blink HEAT in SLM3)
8. Outdoor Coil Sensor Blink 5 times
EC AP
Blink E7
Exist (MS model)
Blink COOL & Blink COOL &
SLEEP & HEAT &
HEAT/SLEEP HEAT/SLEEP
9. Hardware Error Blink 6 times Blink Heat, Cool, Blink E8
(tact switch pin short) follow by Fan, Dry
Causes / Action
- Protection against frequent starting. Wait for 3 to 4
minutes for the compressor to start operating.
- Power failure, or the fuse need to be replaced.
- The power plug is disconnected.
- It is possible that your delay timer has been set
incorrectly.
- If the fault persist after all these verifications, please
contact the air conditioner unit installer.
- The air filter is dirty.
- The doors or windows are open.
- The air suction and discharge are clogged.
- The regulated temperature is not high enough.
- Odors may be caused by cigarettes, smoke particles,
perfume etc. which might have adhered onto the coil.
- This is caused by air humidity after an extended long
period of operation.
- The set temperature is too low, increase the temperature
setting and operate the unit at high fan speed.
- Switch off unit and call dealer.
- Refrigerant fluid flowing into the evaporator coil.
Fault
1. The compressor does not operate
3 minutes after the air conditioner unit is started.
2. The air conditioner unit does not operate.
3. The air flow is too low.
4. Discharge air flow has bad odor.
5. Condensation on the front air grille of the indoor
unit.
6. Water flowing out from the air conditioner unit.
7. Hissing air flow sound from the air conditioner
unit during operation.
If any malfunction of the air conditioner unit is noted, immediately switch off the power supply to the unit. Check the
following fault conditions and causes for some simple troubleshooting tips.
TROUBLESHOOTING
If the fault persists, please call your local dealer / serviceman.
1 IM-CEE-1108(0)-EN AS 5/26/09, 3:14 PM16
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