Indoor Unit Capacity Error - Fujitsu AOYG45LAT8 User Manual

Trouble shooting 4
INDOOR UNIT Error Method:

Indoor Unit Capacity Error

Detective Actuators:
All indoor unit
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 Design & Technical Manual.
OK OK
Check Point 2 : Replace Main PCB
If Check Point 1 do not improve the symptom, replace Main PCB(Outdoor unit),
and execute the check operation again.
Indicate or Display:
Outdoor Unit : E. 22. 1
Indoor Unit : Operation LED 2 times Flash, Timer LED 2 Times Flash,
Economy LED Continuous Flash.
Error Code : 22
Detective details:
When the total capacity of indoor units is outside of range
between 38,000BTU and 63,000BTU.
2. Main PCB(Outdoor unit) failure
02-20