Fujitsu ASYG07KMCF Service Manual page 68

2-5. E: 22. Indoor unit capacity error (Indoor unit)
Indicator Indoor unit
Detective actuator Indoor unit main PCB
Forecast of cause
Check point 1. Check the total capacity of indoor units
Check the total capacity of the indoor units.
→ If abnormal condition is found, correct it referring to the installation manual or DESIGN & TECH-
NICAL MANUAL.
Check point 2. Replace the main PCB
If check point 1 does not improve the symptom, replace the main PCB.
2-5. E: 22. Indoor unit capacity error (Indoor unit)
Operation indicator
Timer indicator
Economy indicator
Error code
↓
↓
End
Continuous flash
When the total capacity of the indoor units does not
match outdoor unit capacity while 3 minutes after power
on.
Indoor unit selection is incorrect.
Main PCB failure
- (03-26) -
2 time flash
2 time flash
E: 22
2. Troubleshooting with error code