Panasonic 2WAY Multi Technical & Service Manual page 140

Error
Error (Alarm) Contents
Code
(System P: Indoor/outdoor protective device
operations)
P01 Indoor fan error / indoor fan rpm error
P03 High compressor discharge temperature
P04 Refrigerant high-pressure switch operations
P05 Power supply error
P09 Indoor unit ceiling panel connector connection
defect
P10 Indoor unit fl oat switch operations
P11 Water heat exchanger unit anti-icing sensor
error (when the water heat exchanger unit is
connected)
P12 Indoor DC fan error
P13 Refrigerant circuit error (only detected with
W-Multi and 3WAY)
P14 O sensor operations
2
P15 Total refrigerant gas depletion
P18 Bypass valve failure
P19 4-way valve lock error (not detected with 3WAY)
P20 Refrigerant high-pressure error
P22 Outdoor unit fan error
P23 Water heat exchanger unit interlock error (when
the water heat exchanger unit is connected)
P26 Clutch connection error
P31 Group control error
(Others)
H07 Compressor oil depletion error (only detected
with W-Multi)
H08 Oil level sensor error (only detected with W-Multi)
P30 Group sub unit error
(error detected with the system controller)
oiL Oil change time (level) alarm
GE Backup operating display without power
generation when an error occurs with the
converter (only detected with HP)
Note: Depending on the model, some items are not displayed.
V–21