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3-19
12PHR-N
Inter-unit wiring error mode
Symptom
1
Malfunction diagnosis display
“18-1”
2
Malfunction diagnosis display
None
(Displays “18-0” when malfunction
code is called out.)
3
Malfunction diagnosis display
None
(Displays “18-0” when malfunction
code is called out.)
4
Malfunction diagnosis display
“18-1”
5
Malfunction diagnosis display
“18-1”
Malfunction indications due to erroneous wiring during air conditioner installation
Indoor
unit
Outdoor
unit
1
N
2
1
N
2
Indoor
unit
Outdoor
unit
1
N
2
1
N
2
Indoor
unit
Outdoor
unit
1
N
2
1
N
2
Indoor
unit
Outdoor
unit
1
N
2
1
N
2
Indoor
unit
Outdoor
unit
1
N
2
1
N
2
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Summary of Contents for 12PHR-N
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