Air Conditioner Service Manual
11
To activate or cancel the Auto-restart function:
Press the
SLEEP
button 10 times within 8 second while air conditioner on operating state:
1). If the Auto-restart function to be turned off before, then it will be activated after press SLEEP
as above, and the buzzer BEEPs three times;
2). If the function to be activated before, it will be cancelled Auto-Restart at once, and the buzzer
BEEPs four times.
4.
10 Protection and Failure Display
When protection display is available, controller will show error code, digital LED
shows error code and setting temperature by turns.
If there is more than one failure, it will show error codes according to the error list sequence.
To insure the signal communication of indoor and outdoor unit, any failure code relates
to outdoor unit will remain display for 2 minutes maximum a
fter it’s recovered.
Among all the failure codes, sensor failure can be recovery automatically once it comes
normal.
Failure code (IDU)
Failure Type
Digital LED Code
Indoor and outdoor communication failure
E0
Indoor room temperature sensor (IRT)
E1
Indoor coil temperature sensor (IPT)
E2
Outdoor coil temperature sensor (OPT)
E3
System abnormity
E4
Model configuration wrong
E5
Indoor fan motor fault
E6
Outdoor temperature sensor
E7
Exhaust temp. sensor
E8
IPM drive and module fault
E9
Current sensor fault
EA
Communication failure of main PCB and display board
Eb
Outdoor communication failure
EC
Outdoor unit EEPROM fault
EE
Outdoor fan motor fault (DC motor)
EF
Temp. switch fault ( on top of the compressor)
EP
Voltage sensor fault
EU
Summary of Contents for TAC-12CHSA/JAI
Page 13: ...5 Wiring Diagram TAC 12CHSA JAI...
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