<Cooling operation>
OK
<Heating operation>
"Protection stop by "discharge temperature 230°F(18/24type) /
239°F(36type) during compressor operation"" generated 2 times
within 24 hours.
Check Point 1 : Check if 3-way valve(gas side) is open.
Discharger thermistor characteristics check.
(Check by disconnecting thermistor from PCB.)
* For the characteristics of the thermistor, refer to the "Trouble shooting 16".
Check Point 4 : Check the discharge thermistor
Check for foreign object at heat exchanger
Check Point 5 : Check the refrigerant amount
Leak check
02-32
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
Detective Actuators:
Detective details:
Forecast of Cause :
Trouble shooting 28
OUTDOOR UNIT Error Method:
Discharge Temp. Error
Indicate or Display:
Refer to error code table.
1. 3-way valve not opened 2. EEV defective, strainer clogged
3. Outdoor unit operation failure, foreign matter on heat exchanger
4. Discharge temperature thermistor failure 5. Insufficient refrigerant
6. Main PCB failure
EEV open?
Check Point 2 : Check the EEV, strainer
EEV open?
Check Point 2 : Check the EEV, strainer
Strainer clogging check
(Refer to PARTS INFORMATION 3)
Strainer clogging check
(Refer to PARTS INFORMATION 3)
Strainer clogging check
(Refer to PARTS INFORMATION 3)
If the 3-way valve(gas side) was closed, open the
3-way valve(gas side) and check operation.
Motor check (PARTS INFORMATION 5)
Check if fan can be rotated by hand.
Check Point 3 : Check the outdoor unit fan,heat exchanger
Outdoor unit Main PCB
Discharge temperature thermistor
OK
OK
OK
OK
To Next Page
Loading...
Need help?
General
