Fujitsu General AOHH30KMTB, Service Manual

Page: 45 / 162

2-4. E: 22. Indoor unit capacity error (Indoor unit)
Indicator
Indoor unit
Operation indicator 2 time flash
Timer indicator 2 time flash
Economy indicator Continuous flash
Error code E: 22
outdoor unit Refer to "Error code table (Outdoor unit)" on page 03-3
Detective actuator Indoor unit main PCB
When the total capacity of the indoor units does not
match outdoor unit capacity while 3 minutes after power
on.
Forecast of cause
Indoor unit selection is incorrect.
Main PCB failure
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.
↓
End
2-4. E: 22. Indoor unit capacity error (Indoor unit)
- (03-9) -
2. Troubleshooting with error code
TROUBLESHOOTING TROUBLESHOOTING