Vokera Gas Valve Control Fault

Code 27, furnace fails to ignite or shuts down shortly after ignition attempt

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Faulty gas valve coil, Loose gas valve connector, PCB gas valve driver failure, Incorrect gas valve fitted

Safety: Turn off power and close the gas isolation valve. Only licensed gas engineers should work on gas valves.

Visual inspection: Check the gas valve body for signs of overheating, damage, or water ingress.
Check connector: Ensure the multi-pin plug on the gas valve is fully seated and free of corrosion.
Do not adjust: Do not attempt to adjust gas valve screws or regulators.
Professional testing: A qualified technician must test coil resistance, verify correct valve type, and check PCB output.

Professional Required 5/5

Gas Valve Assembly

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