3-3. No operation (Power is on)
Forecast of cause
Setting/ Connection failure
External cause
Electrical components defective
Check point 1. Check indoor and outdoor installation condition
Are these indoor unit, outdoor unit, and remote controller suitable model numbers to connect?
-> If there is some abnormal condition, correct it by referring to the installation manual and “DESIGN
& TECHNICAL MANUAL”.
↓
Turn off the power and check correct followings.
•
Is there loose or removed communication line of indoor unit and outdoor unit?
↓
Check point 2. Check external cause at indoor and outdoor (Voltage drop or Noise)
•
Instant drop: Check if there is a large load electric apparatus in the same circuit.
•
Momentary power failure: Check if there is a defective contact or leak current in the power sup-
ply circuit.
•
Noise: Check if there is any equipment causing harmonic wave near electric line. (Neon bulb or
electric equipment that may cause harmonic wave)
Check the complete insulation of grounding.
↓
Check point 3. Replace main PCB
If check point 1 to 2 do not improve the symptom, change main PCB.
↓
End
3-3. No operation (Power is on)
- (03-30) -
3. Troubleshooting without error code
TROUBLESHOOTING
TROUBLESHOOTING
Содержание General ASHG07KPCE
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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 ...
Страница 34: ......
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 ...