w w w . i n n o v a i r . c o m
DELUXE
Inverter
Service
M
anual
※
Install batteries in remote control.
★
Test Operation method
①
Turn on the power and push the ON/OFF switch button of the remote controller to start the air
conditioner.
②
Select COOL, HEAT (not available on cool-only models), SWING and other operation modes
with the remote controller and see if the operation is ok.
7. Maintenance
7-1 Troubleshooting Guide
T
his air condition
e
r
comes with a list of error codes and troubleshooting instructions
,
to help
the
maintenance personnel to detect the error position and the parts to be replaced during the
troubleshooting process. In this Guide, the Troubleshooting Method is guided by the Error Name,
and the Reference Code under the General Index is the error code of the internal unit of the
mainstream model supplied by the Company.
Example:
“internal coil sensor error” is coded as E3 in the error code of the internal unit, but
appears as flash-out via the trouble light of the external machine. However, their troubleshooting
method is the same, and use the same table as well.
General index: fix speed air conditioners only involve E1, E2, E3 and E4
No.
Error Name
Reference Code
1
Internal temperature sensor error
E1
2
External coil sensor error
E2
3
Internal coil sensor error
E3
4
Internal fan error of
wall mounted air
conditioner
（
PG motor
）
E4
5
Internal fan error of
wall mounted air
conditioner
（
DC motor
）
E4
6
Sliding door error of floor standing
E4
7
Internal and external communication error
E5
（
5E
）
8
External DC fan error (3-core terminal motor)
F0
9
Module protection error
F1
10
PFC protection error
F2
11
Compressor startup error
F3
12
Exhaust sensor error
F4
13
Pressing top head sensor error
F5
14
External temperature sensor error
F6
15
OVP or UVP error
F7
22
