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    Glowworm Xtrafast 120 not igniting

    Getting a spark but gas doesn't ignite. Then get a fault code 04. If I turn the boiler off at the main and back on I can then get the thing to ignite. It's as though the gas is getting through and it's sparking but either the gas or the spark isn't enough. Any ideas?
  2. N

    Glowworm Xtrafast 120 Overheating

    Hi my Xtrafast is overheating with fault code 05. The Overheat safety thermostat has to be manually reset to make the boiler operate again. This is intermittent. Any ideas what this could be?
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