Indoor Unit Capacity Error; Indoor Unit Error - Fujitsu ASU18RLF Service Instructions Manual

Trouble shooting 5
INDOOR UNIT Error Method:

Indoor Unit Capacity Error

Detective Actuators:
All indoor unit
Forecast of Cause:
1. The selection of indoor units is incorrect
Test 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
Test 2 : Replace Main PCB
If Test 1 do not improve the symptom, replace Main PCB of Outdoor unit.
(SERVICE PARTS INFORMATION 10)
Indicate of Display:
Indoor Unit
Operation lamp : 2 time Flash
Timer lamp : 2 time Flash
ERROR CODE : [E : 22]
Detective details:
The total capacity of the indoor unit if it is install beyond.
2. Main PCB(Outdoor unit) failure
02-09
Outdoor Unit
Monitor
A B C D E
2 2
: Light ON : Light OFF n : n time blinking
F