Panasonic AQUAREA WH-ADC H Series - Error Fault Code Reference; Comprehensive List of System Error Codes

Below is a list of error codes that may appear on the display
when there is some trouble with the system setting or
operation.
When the display shows an error code as indicated below,
contact the number registered in the Remote Controller or a
nearest authorised installer.
All switches are disabled except and
Should you require any assistance please call your installer
as the first point of call, indicating the fault or fault code,
otherwise please call Panasonic Technical Support 0808
2082 115 for assistance. (Your warranty card details will be
required).
Error Code Error Explanation
H12 Capacity mismatch
H15 Compressor sensor error
H20 Pump error
H23 Refrigerant sensor error
H27 Service valve error
H28 Solar sensor error
H31 Pool sensor error
H36 Buffer tank sensor error
H38 Brand mismatch error
H42 Low pressure protection
H43 Zone 1 sensor error
H44 Zone 2 sensor error
H62 Water flow error
H63 Low pressure sensor error
H64 High pressure sensor error
H65 Deice water circulation error
H67 External thermistor 1 error
H68 External thermistor 2 error
H70 Back-up heater OLP error
H72 Tank sensor error
H74 PCB communication error
H75 Low water temp protection
H76 RC-Indoor communication error
H90 Indoor-Outdoor communication error
H91 Tank heater OLP error
H95 Voltage connection error
H98 High pressure protection
H99 Indoor freeze prevention
Error Code Error Explanation
F12 Pressure switch activate
F14 Poor compressor rotation
F15 Fan motor lock error
F16 Current protection
F20 Compressor overload protection
F22 Transistor module overload protection
F23 DC peak
F24 F24 Refrigerant cycle error
F25
*1
Cool / heat cycle error
F27 Pressure switch error
F29 Low discharge super heat
F30 Water outlet sensor 2 error
F32 Internal thermostat error
F36 Outdoor ambient sensor error
F37 Water inlet sensor error
F40 Outdoor discharge sensor error
F41 Power factor correction error
F42 Outdoor heat exchanger sensor error
F43 Outdoor defrost sensor error
F45 Water outlet sensor error
F46 Current transformer disconnection
F48 Evaporator outlet sensor error
F49 Bypass outlet sensor error
F95
*1
Cooling high pressure error
*1 The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised
service partners.
*2 Only displayed when COOL mode is unlocked (This means when COOL mode is available).
Error Fault Codes
19
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