Fujitsu AU G18LVLB Series Service Instruction page 56
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Also See for AU G18LVLB Series:
- Design & technical manual (253 pages) ,
- Service instruction (70 pages) ,
- Service instruction (122 pages)
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Trouble shooting 12
INDOOR UNIT Error Method:
Connection unit number error (Indoor
unit in Wired remote controller system)
Detective Actuators:
Wired remote controller ( 2-Wire )
Indoor unit Controller PCB circuit
Forecast of Cause : 1. Wrong wiring / Number of I.U, RC in RCgroup 2. Indoor unit controller PCB defective
Check Point 1 : Wire installation
Wrong number of connecting indoor unit
Check Point 2 : Check Indoor unit controller PCB
Check if controller PCB damage
Check if controller PCB and check the Error after setting remote controller address
Indicate or Display:
Indoor Unit : Operation lamp: 2 time Flash,
Timer lamp: 9 time Flash
Economy lamp : Continuous flash.
ERROR CODE : [E : 29]
Detective details:
When the number of connecting indoor units are out of specified rule.
02-17
Outdoor unit :
PUMP
LOW
POWER
DOWN
NOISE
ERROR
MODE
(L1)
(L2)
(L3)
(L4)
5
15
2
PEAK
CUT
(L5)
(L6)
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Troubleshooting
