Service Manual

Trouble shooting 16
OUTDOOR UNIT Error Method:
Detective Actuators: Detective details:
Forecast of Cause :
OK
A.F Voltage Error
Outdoor Unit Main PCB
Outdoor Unit ACTPM PCB
Check if the terminal connection is loose.
Check if connector is removed.
Check if connector is erroneous connection.
Check if cable is open.
>> Upon correcting the removed connector or mis-wiring, reset the power.
1. Connector connection failure 2. Inverter PCB failure 3. ACTPM failure
Check Point 1 : Check connections condition in control unit
Inverter low voltage protection
Inverter overvol
tage protection
02-33
Check Point 3 : Replace Inverter PCB
If Check Point 1,2 do not improve the symptom,
replace Inverter PCB, and
execute the check operation again.
Indoor Unit : Operation LED 6 times Flash, Timer LED 4 Times Flash
Economy LED Continuous Flash.
Outdoor Unit : E. 64. 1
Error Code : 64
Indicate or Display:
Check Point 2 : Check ACTPM
If ACTPM is abnormal, replace it.
Check ACTPM (PARTS INFORMATION 8).