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Ideal Logic Air fault codes

15 codes from the Ideal manual for the Logic Air heat pump. Pick one for what it means, the likely causes and where to start.

CodeWhat it means
134Re-occurring heat pump fault
366Room temp sensor fault
370-F15Heat pump air flow fault
370-F24Circulation pump error
370-F27No water flow fault
370-F3Heat pump inverter fault
370-F4Outdoor electrical filtering fault
370-F9Heat pump defrost thermistor fault
7No heat pump starts exceeded
9.1.12BSB short circuit fault
9.1.16Source temperature too low fault
9.1.24Low mains voltage fault
9.1.26No outdoor connection fault
9.1.28Number of heat pump starts exceeded
9.1.29No central heating but hot water works OK