Trouble shooting 55
OUTDOOR UNIT Error Method :
Compressor 2 Tempreture Abnormal
Indicate or Display:
Detective Actuators:
Detective details:
Forecast of Cause :
Check Point 3 : Check the outdoor unit fan, heat exchanger
OK
Check Point 4 : Check the compressor 2 temperature thermistor
OK
Check Point 5 : Check the refrigerant amount
1. 3-way valve not opened
2. EEV defective, strainer clogged
3. Outdoor unit operation defective, foreign matter on heat exchanger
4. Compressor temperature thermistor 2 defective
5. Insufficient refrigerant
Compressor temperature thermistor 2
Compressor 2 temperature thermistor characteristics check
(Check by disconnecting thermistor from PCB)
* For the characteristics of the thermistor, refer to the "Service Parts Information 22".
Check for foreign matter at heat exchanger
Check if fan can be rotated by hand.
Motor check
Leak check
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E. A3. 2
Error Code : A3
04-63
"Protection stop by "compressor 2 tempreture" 120 during compressor 2
operation" generated 2 times within 40 minutes
OK
<Cooling operation>
OK
Check Point 2 : Check the EEV, strainer
Check Point 1 : Check if 3-way valve(gas side) is open.
<Heating operation>
Check Point 2 : Check the EEV, strainer
EEV (EEV2, indoor unit EEV) open?
Strainer clogging check (before and after EEV, ACM
oil return)
Refer to "Service Parts Information 14, 16".
EEV (EEV1, EEV2) open?
Strainer clogging check (before and after EEV, ACM
oil return)
Refer to "Service Parts Information 15, 16".
If the 3-way valve(gas side) was closed, open the
3-way valve(gas side) and check operation.
Check Point 1 : Check if 3-way valve(liquid side) is open.
If the 3-way valve(liquid side) was closed, open the
3-way valve(liquid side) and check operation.
OK
OK
After fixing the problem and for canceling the Error, Error Reset (F3-40) will be required after power reset
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