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.
OKOK
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:
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