Outdoor Unit under voltage Error
OK
OK
NG
When Main PCB input voltage has detected lower than AC 174.1V.
Check Point 1 : Noise, momentary open, voltage drop
Check if temporary voltage drop was not generated.
Check if momentary open was not generated.
Check if ground is connection correctly or there are no related cables near the power line.
OK
Check Point 2 : Check the power supply
Power cable connection, open check
Replace Main PCB
Check Point 3 : Check Filter PCB (Main) or Main PCB
1. Noise, momentary open, voltage drop 2. Power supply defective
3. Filter PCB (Main) defective 4. Main PCB defective
Outdoor unit Filter PCB (MAIN)
Outdoor unit Main PCB
Check the output voltage of Filter PCB (Main).
>> Check if AC198 - 264V appears at W606 - W605.
Check the input voltage of Main PCB.
>> Check if AC198 - 264V appears at CN100 (AC-IN).
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E. 6 1. 2
Error Code : 9 U / 6 1
Trouble shooting 27 E61. 2
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
04-37
Replace Filter PCB (Main)
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