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3-3. No operation (Power is on)
Forecast of cause
Setting/Connection failure
External cause
Electrical components defective
Check point 1. Check the indoor and outdoor installation condition
•
Indoor unit:
–
Check incorrect wiring between the indoor unit and remote controller.
–
Check if there is an open cable connection.
•
Are these indoor unit, outdoor unit, and remote controller suitable model names 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.
↓
3-3. No operation (Power is on)
- (03-65) -
3. Troubleshooting without error code
TROUBLESHOOTING
TROUBLESHOOTING
Summary of Contents for ABHG18KRTA
Page 4: ......
Page 5: ...1 GENERAL INFORMATION 2022 08 08 SR_CH01_MU004EG_06 ...
Page 59: ...2 TECHNICAL DATA AND PARTS LIST 2022 08 08 SR_CH02_MU004EG_11 ...
Page 62: ......
Page 213: ...3 TROUBLESHOOTING 2022 08 08 SR_CH03_MU004EG_07 ...
Page 216: ......
Page 316: ...6 2 Outdoor unit 03 100 6 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Page 317: ...4 CONTROL AND FUNCTIONS 2022 04 13 SR_CH04_MU004EG_08 ...
Page 320: ......
Page 403: ...5 FILED WORKING 2022 08 08 SR_CH05_MU004EG_08 ...