Vulcan Error Code 12 – Green Flashes

Fault Code 12 – Green Flashes: Touchpad Communication Error.

Vulcan Fault Code 12 – Green Flashes

Fault: Touchpad Communication Error.

Applies to: Vulcan Ducted Gas Heater Units

If a fault occurs, the green diagnostic LED will flash a number of times on the main board to indicate the fault. The LED is off for 4 seconds and then will flash the fault code. The fault code is repeated until reset or repaired. Match the number of times the LED flashes with the error to indicate the fault.
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