What the manual says
Manufacturer manualBoiler in standby, no heat energy demand
Shared across the Greenstar 1000 range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
What causes this fault?
Status code - normal operation
DIY fix possible
Turn up your room thermostat or smart controller settingsCheck that your hot water timer or programmer is set to 'On'Wait for a few minutes to see if the boiler fires up once a heat request is sent
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All 106 fault codes on the Greenstar 1000
Seeing a different code? Every code this model can display, in one place.
2002012022042082132142222232242272282292322332342352372382402412452492502512522532542582592622632652682692702732752832842853053063413473513533573583603623633643655226041010101310181019102110231025106810731074208529082910291529162920292329242925292629272928293029312940294629482949295029512952295529562957295829592960296129622963296429652966296729722973297429802981