Boiler Fault Codes

Glow-Worm Ultrapower SXI Boiler Range Error Codes

Glow-Worm Ultrapower SXI Boiler Range Error Codes   Codes Description F1 Ignition fault F3 Fan unable to reach ignition speed F4 Ignition fault F5 Overheat Fault F6 Central heating flow thermistor F9 Water pressure sensor fault, blocked flow filter or pump fault F10 Central return flow thermistor F11 Main board connection fault F13 PCB memory or sensing fault F14 Gas valve control …

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Worcester Bosch Greenstar 27/30 I system Error Codes

Worcester Bosch Greenstar 27/30 I system Boiler Error Codes Fault Description System Behaviour T1 Ignition test – checking the igniter spark T2 Fan test – checking the basic fan T3 Pump test – checking the basic pump T4 Three way valve test T6 Ionisation oscillator test 9A 362 error – incorrect HCM fitted 9U 233 …

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Worcester Bosch Greenstar 8000 Boiler Error Codes

Worcester Bosch Greenstar 8000 Boiler Error Codes Fault Description System Behaviour 200 O Boiler in heating mode 201 O Boiler in hot water mode 202 O Boiler in anti-cycle mode 203 0 Boiler in standby – no heat energy demand 204 O Current primary water temperature higher than set value 208 0 Chimney sweep demand …

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Vaillant ecoTec exclusive Green iQ combi boiler error codes

Code Meaning Vaillant ecoTec exclusive Green iQ combi boiler error codes F.00 Interruption: Flow sensor NTC plug not plugged in or has come loose, multiple plug on the PCB not plugged in correctly, interruption in cable harness, NTC defective F.01 Interruption: Return sensor F.02 Interruption: DHW outlet sensor F.03 Interruption: Cylinder sensor F.10 Short circuit: …

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Glow-Worm Ultracom SXI Boiler Range Error Codes

Glow-Worm Ultracom SXI Boiler Range Error Codes Codes Description F1 Ignition fault F3 Fan unable to reach ignition speed F4 Ignition fault F5 Overheat Fault F6 Central heating flow thermistor F9 Water pressure sensor fault, blocked flow filter or pump fault F10 Central return flow thermistor F11 Main board connection fault F13 PCB memory or sensing fault F14 Gas valve control defective …

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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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