Koppel Super Inverter AC Error Codes;
| Error Codes | Problem |
|---|---|
| E0 | Indoor unit EEPROM parameter error |
| E1 | Indoor / outdoor units communication error |
| E2 | Zero-crossing signal error |
| E3 | Indoor fan speed has been out of control |
| E4 | Open circuit or short circuit of indoor room temperature T1 |
| E5 | Open circuit or short circuit of evaporator coil temperature T2 sensor |
| EC | Refrigerant Leakage Detection |
| F1 | Open circuit or short circuit of outdoor ambient T4 temperature sensor |
| F2 | Open circuit or short circuit of condenser coil temperature T3 sensor |
| F3 | Open circuit or short circuit of compressor discharge T5 temperature sensor |
| F4 | Outdoor unit EEPROM parameter error |
| F5 | Outdoor fan speed has been out of control |
| P0 | IPM malfuntion of IGBT over-strong current protection |
| P1 | Over voltage or over low voltage protection |
| P2 | High temperature protection of compressor top diagnosis and solution |
| P4 | Inverter compressor drive sensor |
EEPROM parameter error diagnosis and solution E0/F4:
Error Signals On The Display
In case of error, the display on the indoor unit shown the following error codes
Error Code: E 1
RUN lamp: flashes once
Description of the trouble: The fault of indoor temperature sensor
Error Code: E 2
RUN lamp: flashes twice
Description of the trouble: The fault of indoor pipe temperature sensor
Error Code: E 6
RUN lamp: flashes 6 times
Description of the trouble: Malfunction of indoor fan motor.
Koppel AC Troubleshooting
Malfunction: The appliance does not operate
Possible Causes:
- Power failure/plug pulled out
- Damaged indoor/outdoor unit fan motor
- Faulty compressor thermomagnetic circuit breaker
- Faulty protective device or fuses.
- Loose connections or plug pulled out
- It sometimes stops operating to protect the appliance.
- Voltage higher or lower than the voltage range
- Active TIMER-ON function
- Damaged electronic control board
Malfunction: Strange odour
Possible Causes: Air filter dirty
Malfunction: Noise of running water
Possible Causes: Back flow of liquid in the refrigerant circulation
Malfunction: A fine mist comes from the air outlet
Possible Causes: This occurs when the air in the room becomes very cold, for example in the COOLING or DEHUMIDIFYING/DRY modes
Malfunction: A strange noise can be heard
Possible Causes: This noise is made by the expansion or contraction of the front panel due to variations in temperature and does not indicate a problem.
Malfunction: Insufficient airflow, either hot or cold
Possible Causes:
- Inappropriate temperature setting..
- Air inlet or outlet of indoor or outdoor unit has been blocked.
- Air filter is blocked.
- Fan speed set at minimum.
- Other sources of heat in the room.
- No refrigerant
Malfunction: The appliance does not respond to commands
Possible Causes:
- Remote control is not near enough to indoor unit.
- Battery in Remote controller may have been exhausted..
- Obstacles between remote control and signal receiver in indoor unit.
Malfunction: The display is off
Possible Causes:
- Active LED function
- Power failure
The air conditioner does not work at all.
- Is the power plug inserted into the socket properly?
- Is the timer set for the “TIMER-ON” mode?
- Is the ambient temperature lower than 16°C?
- Is there a power failure or is the fuse blown?
There is no sufficient cooling
- Is the room temperature set properly?
- Is the air filter screen clean (not blocked)?
- Are the doors or windows opened?
- Is the room directly exposed to sunlight?
- Are there any heating sources inside the room?
- Are there many people inside the room?
The following phenomena occurring during the operation do not mean faults of the machine. You may use the air conditioner with peace of mind.
Phenomena: The air conditioner cannot be started for operation after it is turned off.
Diagnosis: Start the operation after 3 minutes. This is to protect the air conditioner. The microchip protection device for 3 minutes’ delay performs its function. When the machine is powered for the first time. this function does not work.
Phenomena: Frog is blown out during the cooling operation.
Diagnosis: When the indoor temperature and humidity is high, such phenomena might occur. When the indoor temperature and humidity drops, the frog will disappear.
Phenomena: There is odd smell of the delivered air.
Diagnosis: It might be the smell of cigarette smoke or other things inside the air conditioner.
Phenomena: There is “squeezing” sound.
Diagnosis: It might be caused by the cycling of the refrigerant inside the air conditioner.
Phenomena: There is “patting” sound.
Diagnosis: It might be caused by the heat expansion of contraction of the plastic parts.
Phenomena: There is moisture at the air outlet grids.
Diagnosis: If the air conditioner operates in high humidity for long time, moisture may be condensed at the grids and become water drops.
1-Digital Displayer: in usual operation, ın fan mode, ıt indicates room temperature; ın cool or dry mode, ıt indicates setting temperature; ın timer operation, when pressing the timer button, it indicates timer time, if the time has not been be adjusted after 5 seconds, it indicates temprature again; lf room temp sensor failure, ıt indicates temperature at 25‘c (77°f).
2-Remote Controller Signal Receiver
3-Timer Button: if unit is running, press this button will enter switch-off mode; if unit is off (in standby mode), press this button will enter switch-on mode.
4-Speed Button: press this button to set air rate you want: high, med, low.
5-Mode Button: press this button,it advances the operation mode as follows: cool -dry-fan(heat for cooling and heating model)—auto
6-Tempitime Button: in usual, press this button to adjust setting temperature within a range of 16‘c(61°f) to 32’s (90“f).
7-Swing Button: pressing this button will adjust the air swinging direction or the air delivery in fixed direction.
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