Gas Engineer

Glow-Worm Xtramax HE Boiler Range Error Codes

Glow-Worm Xtramax HE Boiler Range Error Codes Codes Description F1 Ignition fault F2 Fan F3 Fan F4 Ignition fault F5 Overheat Fault F6 Central heating flow thermistor F7 Domestic hot water thermistor F8 Tank thermistor F9 Water pressure sensor fault (please contact GW technical department for further information) F10 Central return flow thermistor F11 Main board connection fault F12 User interface …

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Glow-Worm Xtrafast 96-120 Boiler Range Error Codes

Glow-Worm Xtrafast 96-120 Boiler Range Error Codes Codes Description F00 No fault F02 Air flow fault F04 Ignition fault – flame detection F05 Overheating F06 Central heating thermistor/wiring fault F07 Domestic hot water thermistor/wiring fault F08 Storage vessel thermistor/wiring fault F09 System pressure sensor fault F10 Fan fault F11 Poor circulation F12 User interface fault F13 Main pcb fault F14 …

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Glow-Worm Xtrafast 96-120E1 Boiler Range Error Codes

Glow-Worm Xtrafast 96-120E1 Boiler Range Error Codes   Codes Description F00 No fault F02 Air flow fault F04 Ignition fault – flame detection F05 Overheating F06 Central heating thermistor/wiring fault F07 Domestic hot water thermistor/wiring fault F08 Storage vessel thermistor/wiring fault F09 System pressure sensor fault F10 Fan fault F11 Poor circulation F12 User interface fault F13 Main pcb fault …

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Glow-worm Boiler Error Codes

Glow-worm Boiler Error Codes Boiler Model Fault Code Cause of Problem Betacom Red LED on Lockout – low water pressure (increase pressure to 1.5bar) and reset boiler Betacom Red LED flashing Overheat – check both overheat stats Betacom Yellow LED flashing Turn domestic hot water (DHW) control knob into temperature range and turn central heating (CH) temperature …

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Glow-worm Energy Boiler Range Error Codes

Glow-worm Energy Boiler Range Error Codes Fault Code Cause of Problem F.00 Flow temperature sensor F.00 Flow temperature sensor F.10 Flow temperature sensor short circuit F.11 Flow temperature sensor short circuit F.12 and F.91 Cylinder temperature sensor short circuit F.13 Domestic hot water cylinder temperature sensor short circuit F.20 Safety switch-off – overheating temperature reached …

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Worcester Bosch Greenstar Ri Boiler Error Codes

Worcester Bosch Greenstar Ri Boiler Error Codes Fault Description System Behaviour No light No power at control board Light on Appliance on but not operating during demand Slow flash ( mostly off flashes on) Ignition lockout Slow flash ( mostly on flashes off) Flue overheat or heat exchanger overheat Fast flash Volatile lockout sensor fan …

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Worcester Bosch CDI Highflow Combi Boiler Error Codes

Worcester Bosch CDI Highflow Combi Boiler Error Codes A light on your boiler will flash to indicate that there is a fault. Depending on the type of fault, the light will flash in a different sequence. There will be 4 quick flashes followed by a 5 second gap when the light is off and finally …

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Worcester Bosch GB162 Boiler Error Codes

Worcester Bosch GB162 Boiler Error Codes Fault Description System Behaviour 208 The boiler is in chimney sweep mode 200 The boiler is in heating mode 201 The boiler is in domestic hot water (DHW) mode 202 The boiler is waiting – there was a heat demand from the on off or modulating control 203 The …

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Vaillant CI-SI Boiler Error Codes

Fault Codes Fault Description Possible Causes Fault Code F1 Ignition Failure Insufficient Inlet Working Gas Pressure At The Appliance Flue Problem Spark Generation Issue Incorrect Gas Valve Adjustment (Minimum Burner Pressure Set Too Low) Flame Rectification Issue Combustion Issue (Poor Flame Picture) Software Error On The Main PCB Or The User Interface PCB Fault Code F2 Air Fault Fan Fault Fan …

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