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    Grant Vortex Combi 36e Power LED flashing. No heating or hot water.

    Update: Sharing in case it's useful for anyone else who sees this seemingly quite unusual symptom of a non-functioning boiler with just the flashing Power LED on the front panel. The very helpful people at Grant's UK technical support contact line (e-mail) diagnosed that the flashing Power LED...
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    Grant Vortex Combi 36e Power LED flashing. No heating or hot water.

    Thanks for the reply. No, I haven't checked for power to the board, but I assumed (I know, never assume) there must be power for the Power indicator LED to illuminate (the one on the front panel, not the rocker switch). Our service guy mentioned the rocker switches were unreliable, so we always...
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    Grant Vortex Combi 36e Power LED flashing. No heating or hot water.

    Hi. Our Grant oil fired combi boiler (installed in 2014 and regularly serviced since) has developed a fault today (heating and DHW were both working fine yesterday). The main power rocker switch light is on, but the Power indicator LED flashes continuously (at a bit faster than a 1 second...
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