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2-2. E: 11. Serial communication error (Serial forward transfer
error) (Indoor unit)
Indicator
Indoor unit
Operation indicator
1 time flash
Timer indicator
1 time flash
Economy indicator
Continuous flash
Error code
E: 11
Detective actuator
Indoor unit
Main PCB
When the outdoor unit cannot properly receive the serial
signal from indoor unit for 10 seconds or more.
Fan motor
Outdoor unit
Main PCB
Forecast of cause
Connection failure
External cause
Main PCB failure
Check point 1. Reset the power and operate
Does error indication show again?
→ If no, go to
↓
Check point 2. Check connection
Check any loose or removed connection line of indoor unit and outdoor unit.
→ If there is an abnormal condition, correct it by referring to the installation manual or the “DESIGN
& TECHNICAL MANUAL”.
Check connection condition is control unit. (If there is loose connector, open cable or mis-wiring.)
↓
Check point 3. Check the voltage of power supply
Check the voltage of power supply
Check if AC 198 V (AC 220 V -10%) to AC 264 V (AC 240 V +10%) appears at
outdoor unit terminal L—N.
+
-
↓
2-2. E: 11. Serial communication error (Serial forward transfer error) (Indoor unit)
- (03-16) -
2. Troubleshooting with error code
TROUBLESHOOTING
TROUBLESHOOTING
Содержание ABHG18KRTA
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2022 08 08 SR_CH01_MU004EG_06 ...
Страница 59: ...2 TECHNICAL DATA AND PARTS LIST 2022 08 08 SR_CH02_MU004EG_11 ...
Страница 62: ......
Страница 212: ...9 17 Model AOHG36KBTA5 02 150 9 PC board diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...
Страница 213: ...3 TROUBLESHOOTING 2022 08 08 SR_CH03_MU004EG_07 ...
Страница 216: ......
Страница 316: ...6 2 Outdoor unit 03 100 6 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Страница 317: ...4 CONTROL AND FUNCTIONS 2022 04 13 SR_CH04_MU004EG_08 ...
Страница 320: ......
Страница 403: ...5 FILED WORKING 2022 08 08 SR_CH05_MU004EG_08 ...