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FlowMax Error Codes & Diagnostic Codes

Updated · by Aurora Star Tech Inc.

FlowMax error codes and diagnostic codes: look up a code to see what it means, the likely causes and the steps to fix it.

FlowMax error codes by equipment type

FlowMax Combi Boiler error codes

CodeMeaning
31Incompatible remote control
E01Ignition / ionization lockout (no flame)
E02Safety (overheat) thermostat or air pressure switch tripped
E03Flue gas thermostat / exhaust thermofuse tripped
E05Heating (supply) sensor fault
E06Domestic hot water (DHW) sensor fault
E12DHW storage tank (cylinder) sensor fault
E14Air pressure switch tripped
E16Fan (blower) fault
E22Parameter programming request
E35Flame detection fault (false flame)
E42Fan speed control board fault
H2OLow water pressure in heating circuit

Find codes by FlowMax model

FLOWMAX-90FLOWMAX-120

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

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