Fujitsu ASG30LMTA Service Instruction page 54

Trouble shooting 18
OUTDOOR UNIT Error Method:
Active filter voltage error
Detective Actuators:
Outdoor unit Main PCB
Active filter module
Forecast of Cause :
1. External cause
Check Point 1 : Check external cause at Indoor and Outdoor (Voltage drop or Noise)
Instant drop : Check if there is a large load electric apparatus in the same circuit.
Momentary power failure : Check if there is a defective contact or leak current
Noise : Check if there is any equipment causing harmonic wave near electric line.
(Neon bulb or electric equipment that may cause harmonic wave)
Check the complete insulation of grounding.
OK OK
Check Point 2 : Check connection of Connector
Check if connector is removed.
Check erroneous connection.
Check if cable is open.
>>Upon correcting the removed connector or mis-wiring, reset the power.
OK OK
Check Point 3 : Check Active filter module
Check Active filter module.
>>If Active filter module is abnormal, replace it. (PARTS INFORMATION 6)
OK OK
Check Point 4 : Replace Main PCB
If Check Point 1 - 3 do not improve the symptom, change Main PCB.
AMP Air Conditioning
Indicate or Display:
Indoor Unit :
Operation lamp: 6 times Flash,
Timer lamp
Detective details:
When inverter input DC voltage is higher than 430V or
lower than 110V.
When a momentary power cut off occurred on low voltage
2. Connector connection failure
in the power supply circuit.
Wired Remote Controller :
ERROR CODE : [E : 64]
: 4 times Flash
3. Main PCB failure 4. Active filter module failure
02-21
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