Fujitsu ARC90LHTA - Page 46

Trouble shooting 13
OUTDOOR UNIT Error Method:
Detective Actuators: Detective details:
Forecast of Cause :
OK
Indicate or Display:
Compressor location error
Outdoor unit Inverter 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. Compressor
Check Point 1 : Check connections condition in control unit
When "compressor location detection error" is detected consecutively
5 times, within 40 seconds after start-up.
02-15
Refer to error code table.
Check Point 3 : Check connection of around the Compressor components
OKOK
OKOK
Check if connector is removed.
Check erroneous connection.
Check if cable is open.
>>Upon correcting the removed connector or mis-wiring, reset the power.
(Refer to PARTS INFORMATION 2)
For Compressor Terminal, Main PCB
Check Point 3-1: Replace Compressor
If Check Point 3 do not improve the symptom, change Compressor.
Check Point 2 : Check Inverter PCB
Inverter PCB check is refer to SERVICE PARTS INFORMATION 4.
>> If it is abnormal, replace Inverter PCB.
AMP Air Conditioning
www.ampair.co.uk | sales@ampair.co.uk