119
Check
code
Diagnostic functional operation
Determination and action
Number of
abnormalities
for
confirmation
Detailed
item
Operational cause
Backup
operation
Automatic
reset
H03
Failure in the current detection circuit
O
8
H04
Operation of case thermostat
O
1.
2.
3.
4.
5.
10 128
L10
Unset service PC board jumper
O
1.
1 128
L15
Combination failure
1.
Hydro unit.
2.
1 128
L29
The communication between the
outdoor PC board MCUs failure
O
1.
2.
1 128
P02
O
1.
2.
1780
8
P03
Discharge temperature failure
O
1.
2.
3.
4
129
1.
2.
8
1.
2.
8
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