IVT 12PHR-N Service Manual page 43

Malfunction indications due to erroneous wiring during air conditioner installation
Inter-unit wiring error mode
1
1
Indoor
N
unit
2
2
1
Indoor
N
unit
2
3
1
Indoor
N
unit
2
4
1
Indoor
N
unit
2
5
1
Indoor
N
unit
2
12PHR-N_S530612PHRN.indd 19
Malfunction diagnosis display
1
Outdoor
N
unit
2
Malfunction diagnosis display
1
Outdoor
N
unit
2
Malfunction diagnosis display
1
Outdoor
N
unit
2
Malfunction diagnosis display
1
Outdoor
N
unit
2
Malfunction diagnosis display
1
Outdoor
N
unit
2
3-19
12PHR-N
Symptom
"18-1"
None
(Displays "18-0" when malfunction
code is called out.)
None
(Displays "18-0" when malfunction
code is called out.)
"18-1"
"18-1"
2013/8/7 15:42:18