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Atlantic
Boiler
Data independently verified by Elite B2B Technicians
Diagnostic Complet

Error Code F1 Atlantic

Symptom / Description

Overheat lockout

Root Cause

Lack of water circulation causing the boiler to overheat. Could be a seized pump or closed valves.

Repair Instructions

UNLOCKED

Check system pressure. Ensure radiator valves are open. Try to reset the boiler. If it persists, check the pump.

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