Operation Manual

13
EG
ERROR
LEDS
OPERATION TIMER STANDBY
POSSIBLE CAUSE SYSTEM BEHAVIOUR SOLUTION
E4
F F O
Defective or not connected indoor coil temperature sensor.
Fan is stopped and flap is closed. The system restarts automatically as soon as the sensor is repaired.
Check that the sensor is properly connected to the PCB as shown in the electrical wiring diagram. Check that the sensor is not damaged and, if necessary, replace it.
E5
F O F
Defective or not connected room air temperature/humidity sensor.
Fan is stopped and flap is closed. The system restarts automatically as soon as the sensor is repaired.
Check that the sensor is properly connected to the PCB as shown in the electrical wiring diagram. Check that the sensor is not damaged and, if necessary, replace it.
E6
O F F
Fan motor error. Fan is stopped and flap is closed.
The system restarts automatically after some seconds.
Check that the fan motor is properly connected to the PCB as shown in the electrical wiring diagram. Check that the fan motor is not locked. Check that the fan motor is not damaged and, if necessary, replace it.
E8
O F O
Combination between outdoor unit and indoor units is not correct.
Fan is stopped and flap is closed.
Check that you have selected, during the installation of the system, a proper combination between outdoor unit and indoor units. Check that none of the indoor units of the system has a communication error. If present, first solve this error.
NOTE: If the trouble is not solved with the above actions, contact your service centre. O = LED OFF
l
= LED ON F = Flashing LED