Fujitsu R410A, Инструкция по эксплуатации

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Trouble shooting 9
OUTDOOR UNIT Error Method:
A.F Voltage Error
OK
OK
Outdoor unit Main PCB
Active filter module
1. External cause 2. Connector connection failure 3. Main PCB failure 4. Active filter module failure
Test 2 : Check connection of Connector
Check if connector is removed.
Check erroneous connection.
Check if cable is open.
>>Upon correcting the removed connector or miss-wiring, reset the power.
Test 4 : Replace Main PCB
If Test 1 - 3 do not improve the symptom, change Main PCB.
Test 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
in the power supply circuit.
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
Test 3 : Check Active filter module
Check Active filter module. (SERVICE PARTS INFORMATION 6)
>>If Active filter module is abnormal, replace it.
When inverter input DC voltage is higher than 425V or lower than 80V.
When a momentary power cut off occurred on low voltage.
02-11
Indicate or Display:
Outdoor Unit : No indication
Indoor Unit : Operation lamp: 6 times Flash, Timer lamp: 4 times Flash
Economy lamp: Continuous flash.
ERROR CODE : [E : 64]
Detective Actuators: Detective details:
Forecast of Cause: