Model reference
A.O. Smith TM32ASME
Water Heater
2 documents20 error codes3 service modes
Available documentation
Service Manual
- Troubleshooting Guide - 710 / 710 ASME On-Demand Water Heater33 pg
Installation Guide
- 710 / 710 ASME (T-M32/ T-M32 ASME) On-Demand Water Heater Installation Manual and Owner's Guide52 pg
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Error codes (20)
CodeMeaning
031Incorrect dipswitch settings on the computer board.101Abnormal combustion detected by the air-fuel ratio detection system.111Ignition failure121Flame loss311Output thermistor fault.321Inlet thermistor fault.331Mixing thermistor fault.391Air-fuel ratio rod failure.441Flow sensor fault in Easy-Link multi-unit system510Abnormal main gas valve551Abnormal solenoid gas valves611Abnormal fan motor.631Pump failure.651Abnormal flow adjustment valve (Easy-Link multi-unit system only).661Bypass valve fault.701Computer board fault.721False flame detection741Remote controller communication failure761Communication failure in a multiple heater Easy-Link setup991Abnormal combustionService modes (3)
- Computer Board Reset["Verify no water is flowing through the unit.","If a temperature remote controller is installed…
- Diagnostics Mode (Remote Controller)["Enter Diagnostics Mode on the TM-RE10 or TM-RE30 remote controller (refer to Maintenance Sheet…
- MAX/MIN Combustion Test Mode["Connect a manometer to the manifold port.","Run water through the unit to activate operation…
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