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Braemar Fault Code 22

Fault: Supply voltage out of range.

Potential Cause (Technical Use Only: Potential remedy):

• Partial power supply interruption – “brown out”.  Check electricity supply history with customer. 
• Reduced electricity supply.  Check heater supply voltage with heater and all other electrical appliances running. Arrange to have supply upgraded if required. 
• Faulty heater transformer.  Check transformer with heater operating ‐ should have approx. 24Vac out with 240Vac in

For Braemar Ecostar TQ, TQM, TQS, TQMD, BMQ Gas Ducted Heaters and Braemar Supernova TQS Gas Ducted Heaters.