Model reference
Bradford White EF100T399
Water Heater
1 document15 error codes4 service modes
Available documentation
Service Manual
- Ultra High Efficiency Water Heaters eF Series® Models SERVICE MANUAL Troubleshooting Guide and Instructions for Service92 pg
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Error codes (15)
CodeMeaning
23Flame detected before ignition.24Flame detected after a heating cycle completes.26Vent safety switch located near the exhaust pressure switch has opened, gas…29Pressure switch failed to close or open (stuck open); blocked exhaust vent or…32Lower sensor readings faulty.4Low flame sense current.57Flame rod shorted to ground.58AC line frequency error59Line voltage too low or high.6Flame sensed out of normal sequence (before opening gas valve or after closing…61DC output voltage unstable.62Maximum number of retries detected; main burner cannot be lit or fails to prove…63Maximum number of ignition recycles detected (soft lockout).64Electronics failure.65High water temperature (over 200°F); high limit control has shut off burner…Service modes (4)
- Hard Lockout Reset (Honeywell Integrated Control)Step 1
- Lockout Reset (Hot Surface Ignition models)Shut OFF line voltage to the system or open the 24V thermostat circuit for at least 2 seconds.
- Service Mode (Honeywell Integrated Control Display)Press 'Select' and 'Temperature Up' buttons together and hold for 3 seconds until 'Max Setpoint' is…
- Soft Lockout Reset (Honeywell Integrated Control)In User Mode, press the lower right button under 'Lockout Reset' for 2 seconds.
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