What the manual says
Manufacturer manualHeating mode status
Shared across the ecoTEC pro 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.
DIY fix possible
Check your boiler's pressure gauge to ensure it is between 1 and 1.5 barIf the pressure is low, locate the filling loop and add water until the needle reaches the green zoneWait a few minutes for the boiler to complete its internal check and return to normal operation
Find a Gas Safe engineer
Search the official register →
Boiler cover options
Avoid the next call-out bill
Monthly cover means no unexpected bills when your boiler breaks down.
Approved partner
Get a quote →
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Affiliate links. We may earn a commission at no extra cost to you.
Related fault codes
All 157 fault codes on the ecoTEC pro
Seeing a different code? Every code this model can display, in one place.
D.000D.001D.002D.003D.004D.005D.006D.007D.008D.009D.010D.011D.012D.013D.014D.015D.016D.017D.018D.019D.020D.022D.025D.026D.027D.028D.029D.033D.034D.035D.036D.039D.040D.041D.044D.046D.047D.050D.051D.058D.060D.061D.064D.065D.067D.068D.069D.070D.071D.072D.073D.074D.075D.076D.077D.078D.080D.081D.082D.083D.084D.088D.090D.091D.092D.093D.094D.095D.096F.00F.01F.10F.11F.20F.22F.23F.24F.25F.26F.27F.28F.29F.32F.49F.61F.62F.63F.64F.65F.67F.68F.70F.71F.72F.73F.74F.75F.77F.78F.83F.84F.85F.92P.00P.01P.02P.06S.00S.01S.02S.03S.04S.05S.06S.07S.08S.10S.11S.13S.14S.15S.16S.17S.20S.21S.22S.23S.24S.25S.26S.27S.28S.30S.31S.32S.34S.39S.40S.41S.42S.46S.53S.54S.57S.58S.61S.62S.63S.76S.88S.92S.93S.96S.97S.98S.99