2-18. E: 99. 4-way valve error (Outdoor unit)
Indicator
Indoor unit
Operation indicator
9 time flash
Timer indicator
9 time flash
Economy indicator
Continuous flash
Error code
E: 99
Detective actuator
Indoor unit
main PCB
When the indoor heat exchanger temperature is
compared with the room temperature, and either
following condition is detected continuously two times,
the compressor stops.
Indoor heat exchanger temp. - Room temp. > 10 °C
(Cooling or Dry operation)
Indoor heat exchanger temp. - Room temp. < -10 °C
(Heating operation)
If the same operation is repeated 5 times, the
compressor stops permanently.
Heat exchanger temperature
thermistor
Room temperature thermistor
4-way valve
Forecast of cause
Connector connection failure
Thermistor failure
Coil failure
4-way valve failure
Main PCB failure
Check point 1. Check connection of connector
•
Check if connector is removed.
•
Check erroneous connection.
•
Check if thermistor cable is open.
→ Upon correcting the removed connector or mis-wiring, reset the power.
↓
Check point 2. Check each thermistor
•
Isn’t it fallen off the holder?
•
Is there a cable pinched?
Check characteristics of room thermistor and indoor unit heat exchanger thermistor.
For the thermistor resistance value, refer to
"Thermistor resistance values"
→ If defective, replace the thermistor.
↓
2-18. E: 99. 4-way valve error (Outdoor unit)
- (03-24) -
2. Troubleshooting with error code
TROUBLESHOOTING
TROUBLESHOOTING
Содержание General ASHG07KPCE
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2021 12 16 SR_CH01_AS059EG_01 ...
Страница 13: ...2 TECHNICAL DATA AND PARTS LIST 2022 07 07 SR_CH02_AS059EG_02 ...
Страница 31: ...3 TROUBLESHOOTING 2022 07 07 SR_CH03_AS059EG_02 ...
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Страница 92: ...6 2 Outdoor unit 03 58 6 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Страница 93: ...4 CONTROL AND FUNCTIONS 2022 07 07 SR_CH04_AS059EG_02 ...
Страница 125: ...5 FILED WORKING 2022 07 07 SR_CH05_AS059EG_02 ...