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
outdoor unit
Refer to “Error code table (Outdoor unit: for 34 model
only)” on page 1
Detective actuator
Indoor unit
Main PCB
When the outdoor unit cannot receive the serial signal
from indoor unit more than 10 seconds.
Fan motor
Outdoor unit
Main PCB
Forecast of cause
Connection failure
External cause
Controller PCB failure
Indoor unit fan motor failure
Outdoor unit Main PCB
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.
Check connection condition is control unit. (If there is loose connector, open cable or mis-wiring.)
→ If there is an abnormal condition, correct it by referring to the installation manual or the “DESIGN
& TECHNICAL MANUAL”.
↓
Check point 3. Check the voltage of power supply
Check the voltage of power supply
Check if AC 216 to 264 V (AC 240 ±10%) appears at outdoor unit terminal L—N.
+
-
↓
2-2. E: 11. Serial communication error (Serial forward transfer error) (Indoor unit)
- (03-14) -
2. Troubleshooting with error code
TROUBLESHOOTING
TROUBLESHOOTING
Содержание AOTG30KMTC
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2019 06 27 SR_CH01_AS004EF_01 ...
Страница 13: ...2 TECHNICAL DATA AND PARTS LIST 2020 05 12 SR_CH02_AS004EF_05 ...
Страница 35: ...3 TROUBLESHOOTING 2020 05 08 SR_CH03_AS004EF_02 ...
Страница 38: ......
Страница 128: ...6 2 Outdoor unit 03 90 6 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Страница 129: ...4 CONTROL AND FUNCTIONS 2020 05 08 SR_CH04_AS004EF_02 ...
Страница 132: ......
Страница 163: ...5 FILED WORKING 2019 07 24 SR_CH05_AS004EF_01 ...