Pennco
Nuisance Lockouts / Underlying Fault Not Corrected
Boiler frequently needs manual reset to operate
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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 flame signal, Intermittent pressure switch operation, Loose wiring connections, Overheating due to flow issues
How to Fix / Troubleshooting
Safety first: Do not repeatedly reset without investigating the cause.
- Record conditions: Note when lockouts occur (startup, windy days, long runs) to help pinpoint the issue.
- Inspect wiring: Tighten all low-voltage and sensor connections on the control board.
- Clean sensors: Clean flame sensor and verify pressure and temperature sensors are properly installed.
- Have a technician test: A professional should measure flame signal, draft, and sensor operation to find the root cause.
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Repair Difficulty
Hard
4/5
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