Interklima II18SCV1 - Coil Icing and Indicator Lights

Interklima High wall unit
II/IO - SCV1
39
PROBLEM
18. Outdoor coil icing up
19. Indoor coil icing up
CHECKLIST
Ambient temp low
Dirty condenser coil
Outdoor deice sensor faulty
PCB faulty
Low gas charge (heating)
Indoor set point too low
Dirty filter
Faulty indoor sensor
PCB faulty
Indoor fan not working
Low gas charge
REMEDY LIST
Wait for de-ice initiation
Clean
Replace
Replace
Add gas and leak test
Adjust temperature
Clean filter
Replace
Replace
Replace
Add gas and leak test
LIGHTS ON THE AIR CONDITIONER
a. Green light is lit when the air conditioner is in operation.
b. Yellow light is lit when the air conditioner is in TIMER / Sleep
operation modes.
c. Yellow light flashes for 8 seconds per cycle with the below
different number of flash times indicates different error or
malfunction:
1#: INDOOR TEMPERATURE SENSOR
2#: INDOOR COIL TEMPERATURE SENSOR
4#: REFRIGERANT SHORTAGE