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Trianco High Temperature Air Source Heat Pump R290 fault codes

27 codes from the Trianco manual for the High Temperature Air Source Heat Pump R290 heat pump. Pick one for what it means, the likely causes and where to start.

CodeWhat it means
E03Water flow switch protection
E08Communication fault
E103Fan motor overload protection
E29Secondary antifreezing protection (water inlet≤A04-2°C)
F03PFC fault
F05DC bus over voltage
F06DC bus under voltage
F07AC input under voltage
F09Input voltage sampling fault
F13IPM overheat stop
F15Input voltage lacking phase
F16Compressor weak magnetic protection alarm
F20IGBT power device overheat alarm
F26IGBT power device overheat fault
P01Water inlet temp. sensor fault
P02Water outlet temp. sensor fault
P032Hot water tank temp. sensor fault
P04Ambient temp. sensor fault
P101EVI inlet temp. sensor fault
P102EVI outlet temp. sensor fault
P153Coil temp. sensor fault
P17Water outlet temp. sensor fault
P181Exhaust temp. sensor fault
P182Exhaust over temp
P191Antifreeze temp. sensor fault
P42Room temp. sensor fault
TPLow ambient temp. protection