Error Codes - Panasonic Aquarea WH-MDF06E3E5 series Installation Manual

Error codes

Error code
F12 Pressure switch triggered
Incorrect compressor speed
F14
Incorrect speed of the outdoor unit fan
F15
Protection against excessive total operating current
F16
Compressor overheating guard
F20
F22 Power transistor module overheating guard
Direct current peaks in the outdoor unit
F23
Problem switching between heating and cooling
F25
Pressure switch
F27
Outside temperature sensor
F36
F37 Return temperature sensor in indoor unit
Hot gas temperature sensor in the outdoor unit
F40
PFC circuit
F41
Temperature sensor of the heat exchanger in the outdoor unit
F42
Outdoor unit defrosting temperature sensor
F43
Supply temperature sensor in indoor unit
F45
F46 Current converter open in outdoor unit
Cooling high pressure guard in outdoor unit
F95
Unsuitable output between the indoor and outdoor unit
H12
Compressor temperature sensor
H15
Liquid temperature sensor
H23
F24 Problems in the cooling circuit
Compressor low pressure
H42
H62
High-pressure sensor
H64
OLP additional electric heater for heat pump
H70
Hot water tank temperature sensor
H72
H76
Communication errors between indoor and outdoor unit
H90
OLP electric immersion heater for hot-water tank
H91
Indoor/outdoor unit incorrectly connected
H95
H98 High pressure guard in outdoor unit
Antifreeze for indoor unit heat exchanger
H99
Aquarea air/water heat pump – Installation manual for compact systems 03 / 2013
Error/Protection triggered
Appendix
Error codes
Error recording
4 times within 20 minutes
4 times within 20 minutes
Twice within 30 minutes
3 times within 20 minutes
4 times within 30 minutes
3 times within 30 minutes
Occurred 7 times
4 times within 30 minutes
60 seconds long
5 seconds long
5 seconds long
5 seconds long
4 times within 10 minutes
5 seconds long
5 seconds long
5 seconds long
–
–
90 seconds after supply of current
5 seconds long
5 seconds long
Twice within 20 minutes
–
10 seconds long
5 seconds long
60 seconds long
5 seconds long
–
60 seconds after start of operation
60 seconds long
–
–
–
11
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