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Fault Code 11

Fault: Flame signal lost due to permanent or intermittent fault with flame sense lead or electrode.Incorrect test point pressure.Incorrect gas supply pressure to heater.

Potential Cause (Technical Use Only: Potential remedy):

If there is no obvious reason for the thermistor temperature being > 60oC when starting, such as a power supply interruption, check the following:

• Check flame sense lead is connected securely at ICS. 
• Check flame sense lead is not damaged or shorted – replace if required. 
• Check flame sense gap – should be 4‐ 6mm from flame sense electrode to burner face. 
• Check flame sense electrode is clean – clean with steel wool or replace if required.
• Check pressure at outlet pressure test point on gas valve – compare with value specified on data label.
• Check supply pressure at inlet pressure tapping on gas valve with heater on max and all other gas appliances running. -NG – minimum 1.13 kPa. -Propane – minimum 2.75 kPa. 
• Check gas meter regulator outlet pressure and fitting line size and length.

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