Discharge Tempreture Abnormal
<Cooling operation>
OK
OK
OK
OK
OK
<Heating operation>
2. EEV defective, strainer clogged
3. Outdoor unit operation defective, foreign matter on heat exchanger
4. Discharge temperature thermistor 1 defective
5. Insufficient refrigerant
Discharge temperature thermistor
"Protection stop by "discharge temperature1 115°C during
operation'' generated 2 times within 40 minutes
Check Point 1 : Check if 3-way valve(gas side) is open.
Discharger thermistor 1 characteristics check (Check by disconnecting thermistor
from PCB.)
* For the characteristics of the thermistor, refer to the "Service Parts Information 17".
Check Point 4 : Check the discharge thermistor 1
EEV (EEV1,EEV2, indoor unit EEV) open?
Strainer clogging check (before EEV, 3Way Valve,
oil return)
Refer to "Service Parts Information 8,9,10”.
Check Point 3 : Check the outdoor unit fan,heat exchanger
Check for foreign matter at heat exchanger
Check if fan can be rotated by hand.
Motor check
Check Point 2 : Check the EEV, strainer
Check Point 5 : Check the refrigerant amount
Leak check
EEV (EEV1, EEV2) open?
Strainer clogging check (before EEV, 3Way Valve,
oil return)
Refer to "Service Parts Information 9,10”.
Check Point 2 : Check the EEV, strainer
If the 3-way valve(gas side) was closed, open the
3-way valve(gas side) and check operation.
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E. A1. 1
Error Code : A1
04-69
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
1. 3-way valve not opened
Trouble shooting 61
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
compressor 1
E.A1.1
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