Fujitsu AU G18LVLB Series Service Instruction page 51
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Also See for AU G18LVLB Series:
- Design & technical manual (253 pages) ,
- Service instruction (70 pages) ,
- Design & technical manual (67 pages)
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Trouble shooting 7
OUTDOOR UNIT Error Method:
Indoor unit capacity error
Detective Actuators:
Outdoor Unit Main PCB
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 Data & Technical Manual.
OK
OK
Check Point 2 : Replace Main PCB
If Check Point 1 do not improve the symptom, replace Main PCB.
Indicate or Display:
Indoor Unit : Operation lamp: 2 time Flash,
Timer lamp: 2 time Flash
Economy lamp : Continuous flash.
ERROR CODE : [E : 22]
Detective details:
When the total capacity of indoor units does not match
outdoor capacity while 3 minutes after power-on.
2. Main PCB failure
02-12
Outdoor unit :
PUMP
LOW
POWER
DOWN
NOISE
ERROR
MODE
(L1)
(L2)
(L3)
(L4)
2
2
2
PEAK
CUT
(L5)
(L6)
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Troubleshooting
