Braemar TQ Gas Heater FC7 – Ignition Failure / No Flame Detected
⚠️ Safety Notice – Gas Ducted Heaters (Servicing)
This appliance must only be serviced by suitably qualified and licensed personnel.
Before commencing servicing or fault diagnosis, ensure electrical and gas supplies are safely isolated where required, a task-specific risk assessment has been completed, and appropriate PPE is worn. Particular care must be taken when working around live electrical components, gas systems, hot surfaces and moving parts.
If the work cannot be completed safely, stop work and rectify the hazard before proceeding.
Safety takes priority over diagnosis, installation timeframes and customer expectations. If the task cannot be completed safely, it must not proceed until the risks have been adequately controlled.
What FC7 means
FC7 indicates the heater has attempted ignition but no flame was detected.
The unit will shut down for safety if a flame signal is not confirmed.
Summary
FC7 is an ignition failure fault.
The heater has started its ignition sequence but no valid flame was detected.
In most cases, the fault is related to gas supply, ignition, flame sensing, burner condition, or another issue preventing normal ignition.
Common symptoms
You may see one or more of the following:
- Heater not starting
- Igniter operates but burner does not light
- Heater attempts ignition then shuts down
- Repeated ignition attempts (lockout)
- FC7 displayed on controller or in fault history
Fault code history can be accessed using a MagIQtouch controller:
SETTINGS/SERVICE/GAS HEATER 01/7378 CONT/FAULT LOG
YouTube Video - MagIQtouch Heater Fault Log
Related articles
- TQ / TQM Fault Code Diagnostics Guide - TQ / TQM Fault Codes (FC Errors) + ICS LED Flash Guide – Diagnostics & Quick Checks: Seeley International Pty Ltd
- TQ component testing information - Braemar TQ Gas Heater Component Testing & Fault Diagnosis TQ Service Guide 2023 (644066M): Seeley International Pty Ltd
Click here to play video : - MagIQtouch service operating screen ducted gas heater
- Check flames travel freely across all burners at ignition
- Check burner slots are aligned
- Check cross-lighting slots on burners for obstructions - clean/clear is required
Kit Pt# 651800 - replaces sparker and sensor in non-condensing heaters (metal flues and no drains)
