Glow-worm Energysaver Combi 2 80 100 Fault Codes
Combi Natural Gas 23.4-29.3 kW 1994-1996 Discontinued
GC Numbers: 47-313-0947-313-10
Replaced by: Energysaver 80 High Efficiency
The fault code is already on your display
Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →
Most common fault codes
00 0 2 0 8
Your boiler's internal temperature sensors have likely been crossed or wired incorrectly, meaning the system cannot safely monitor how water is circulating.
Gas Safe engineer required · £80-160
Your boiler has failed to ignite, which means it cannot heat the water for your taps or radiators.
May be DIY safe · £100-280
Your boiler has stopped working because the pipe that drains away excess liquid is blocked, likely due to debris or frozen water if it is cold outside.
May be DIY safe · £0-120
All 40 fault codes
Glow-worm Energysaver Combi 2 80 100 is discontinued — time for a new one?
Parts for discontinued models can be hard to find and expensive. A new A-rated boiler could save you money on both repairs and energy bills.
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