Fujitsu ASYG07KMTA Service Manual page 69

Trouble shooting 5
INDOOR UNIT Error Method:
Indoor unit capacity error
Detective Actuators:
Indoor Unit Main PCB
Forecast of Cause :
1. The selection of indoor units is incorrect
Check Point 1 : Check the total capacity of indoor unit
Check the total capacity of the connected indoor units.
>> If abnormal condition is found, correct it by referring
to Installation Manual or Data & Technical Manual.
OK OK
Check Point 2 : Replace Main PCB
If Check Point 1 do not improve the symptom, replace Main PCB.
Indicate or Display:
Outdoor Unit : No indication
Indoor Unit : Operation lamp: 2 time Flash, Timer lamp: 2 time Flash
Economy lamp: Continuous flash.
ERROR CODE : [E : 22 ]
Detective details:
When the total capacity of indoor units does not match
outdoor capacity while 3 minutes after power-on.
2. Main PCB failure
02-08