IBC
Intermittent Lockouts / Unstable Operation
Boiler frequently needs manual resetting to restore operation, even though different error codes may appear intermittently.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Marginal grounding or bonding, Fluctuating supply voltage, Moisture in electronics, Aging control board
How to Fix / Troubleshooting
Safety: Turn off power before inspecting electrical connections.
- Check grounding: Ensure the boiler's ground connection is secure and that the electrical system is properly bonded.
- Inspect for moisture: Look for signs of condensation or leaks near the control board and wiring. Fix any water sources first.
- Dedicated circuit: Place the boiler on a dedicated electrical circuit to minimize interference from other loads.
If intermittent issues continue, a technician should perform a thorough diagnostic, including checking all sensors, wiring, and possibly replacing the main control board.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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