54
Failure code
Indoor failure code list
Indication
on master
unit
Indication
on wired
controller
Flash times of
LED5 on indoor
PCB/timer LED on
remote receiver
Failure code definition
01
01
1
Indoor ambient temp. sensor TA failure
02
02
2
Indoor coil temp. sensor TC1 failure
03
03
3
Indoor coil temp. sensor TC2 failure
04
04
4
Indoor TW sensor failure
05
05
5
Indoor EEPROM failure
06
06
6
Communication between indoor and outdoor failure
07
07
7
Communication between indoor and wired controller
failure
08
08
8
Indoor drainage failure
09
09
9
Indoor repeated address
0C
0C
12
50Hz zero failure
Outdoor
failure
code
Outdoor
failure
code
20
Outdoor corresponding failure
VP device failure code list
Failure
code
Failure code definition
Judgment method
Remarks
5
VP device EEPROM date
failure
Un-resumable
6
Communication between
VP device and outdoor
failure
No communication with the outdoor unit for
continuous 120 seconds
Resumable
7
Communication between
VP device and indoor
failure
When detecting the connected indoor units,
the indoor unit quantity is zero.
Resumable
9
VP device repeated
address
Resumable
20
Outdoor corresponding
failure
Resumable