BoilerFaultCodesWhat the manual says
Manufacturer manualSafetyswitch-off:COlimit exceeded
From this model's manual
Verified against the Vaillant/Vaillant Ecotec Pro Ecotec Plus Regular installation & service manual.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register →
Boiler cover options
Avoid the next call-out bill
A cover plan would handle faults like F.56: no call-out fees, no surprise bills.
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.
All 175 fault codes on the ecoTEC Plus 832
Seeing a different code? Every code this model can display, in one place.
D.000D.001D.002D.003D.004D.005D.006D.008D.009D.010D.011D.012D.013D.015D.016D.017D.018D.020D.022D.023D.025D.026D.027D.028D.029D.033D.034D.035D.036D.039D.040D.041D.047D.058D.060D.061D.064D.065D.067D.068D.069D.070D.071D.072D.073D.074D.075D.077D.078D.080D.081D.082D.083D.084D.088D.090D.091D.092D.093D.094D.095D.096D.098F.00F.01F.02F.03F.10F.11F.12F.13F.20F.22F.23F.24F.25F.26F.27F.28F.29F.32F.42F.49F.52F.53F.54F.55F.57F.61F.62F.63F.64F.65F.67F.68F.70F.71F.72F.73F.74F.75F.77F.78F.80F.81F.82F.83F.84F.85F.90F.91F.92F.93F.94P.00P.0P.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.99T.02T.03T.04T.05T.06T.08