E: 22. Indoor Unit Capacity Error (Indoor Unit) - Fujitsu ABHG54KRTA Service Manual

2-5. E: 22. Indoor unit capacity error (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 main PCB
If check point 1 does not improve the symptom, change main PCB.
2-5. E: 22. Indoor unit capacity error (Indoor unit)
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End
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
- (03-10) -
2. Troubleshooting with error code