Service manual

some reason, when power supply come back again, the AUTO-RESTART function will set
synchronously and automatically to work. So the air conditioner would work at the same mode
before.
Auto-restart Pre-setting (optional):
If Auto-restart function is needed, follow the steps below to activate this function:
1) Pulling the air-con's plug out of socket.
2) Pressing and ho
lding the Emergency button (ON/OFF) on the indo
or, then insert the plug
into the socket again.
3) Keep pres
sing the Emergency button for more than 10 seconds until three short beeps are
heard. The Auto-restart function has been started.
9. Protection
and Failure Display
z
When protection display is available, controller will show error code, digital LED shows
error cod
e and setting temperature by turns.
z If there is more than one failure, it will show at first that in front of the error list.
z
Protection display function can be selected in hardware, and the default don’t display;
z
To insure of in and out communist is credibility, the failures relate to outdoor unit will
remain failur
e state for 2 minutes max after recovered.
z In all failures, only sensor failures don’t have to repower to cancel.
z Error list
Failure type
LED CODE
DI
GITAL
LED COD
E
In and out communication failure RUN、TIMER –both winking E0
Outdoor communication failure RUN、TIMER –both winking EC
Outdoor sensor RUN-1 time/8s E1
Indoor coil temperature sensor RUN-2 times /8s E2
Outdoor coil temperature sensor RUN-3 times /8s E3
System abnormity RUN-4 times /8s
E4
Type mismatch RUN-5 times /8s
E5
Indoor fan motor RUN-6 times /8s E6
Outdoor temperature sensor RUN-7 times /8s E7
Discharge temperature sensor RUN-8 times /8s E8
Invert module abnormity RUN-9 times /8s E9
Outdoor fan motor（DC） RUN-10 times /8s EF
Current sensor RUN－11 times /8s
EA
EEPROM failure RUN-12 times /8s
EE
Top of compressor temperature switch RUN-13 times /8s
EP
Voltage sensor RUN-14 times /8s
EU
9
Service Manual • Inverter T-series Split System Air Conditioner