BoilerFaultCodes.com

Viessmann Vitodens 100 Compact Fault Codes

Combi Natural GasLPG 26-30 kW 2006-2012 Discontinued
GC Numbers: 47-819-1547-819-16

Replaced by: Vitodens 100-W

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

30
Your boiler has detected a fault with its internal thermometer and has stopped working as a safety precaution.
Gas Safe engineer required · £120-190
38
Your boiler has lost its connection to the temperature sensor that monitors the main heat exchanger, causing the system to shut down for safety.
Gas Safe engineer required · £90-160
60
Your boiler has detected a fault with the sensor that monitors the water temperature returning to the unit, causing it to stop running for safety and efficiency.
Gas Safe engineer required · £120-£200

All 39 fault codes

Code Severity Plain English
30 High Your boiler has detected a fault with its internal thermometer and has stopped working as a safety precaution.
38 High Your boiler has lost its connection to the temperature sensor that monitors the main heat exchanger, causing the system to shut down for safety.
60 High Your boiler has detected a fault with the sensor that monitors the water temperature returning to the unit, causing it to stop running for safety and efficiency.
68 High Your boiler has lost its connection to the sensor that measures the water temperature coming back into the unit, which often results in the system shutting down for safety.
A0 High Your boiler has stopped working because it isn't receiving enough gas to safely stay lit.
b1 High Your boiler's internal control screen is having trouble talking to the main computer inside the unit, preventing it from functioning correctly.
b5 High Your boiler has detected an internal computer error that is preventing it from running safely.
E0 High Your boiler has shut down because an external safety device, such as a thermostat or water pressure switch, has detected a potential issue and stopped the burner from firing.
E01 High Your boiler is not lighting properly and has locked itself out for safety, which means you currently have no heating or hot water.
E02 High Your boiler has switched itself off because it has reached a temperature that is too high, often caused by a blockage or a pump issue.
E03 High Your boiler has shut down because a safety sensor detected that the exhaust gases are too hot or are not escaping correctly.
E04 High Your boiler has detected a flame when there shouldn't be one, which stops it from starting up for safety reasons.
E4 High Your boiler is not receiving the correct amount of electrical power to operate safely and has shut down as a precaution.
E05 High Your boiler is unable to start because it cannot confirm that the fan is moving air safely through the system.
E5 High Your boiler has stopped working because its internal computer system has detected an electrical communication problem.
E06 High Your boiler is unable to start up safely because it cannot confirm that the fan is moving air through the system correctly.
E07 High Your boiler is unable to light because the internal fan isn't spinning fast enough to clear the system or provide the correct air flow.
E08 High Your boiler is unable to light because the internal fan is spinning too quickly for the system to safely start the ignition process.
E09 High Your boiler has stopped working because the internal computer can no longer talk to or control the fan that helps clear exhaust gases.
E10 High Your boiler's internal computer has encountered a software or setting error and can no longer communicate correctly with the system.
E11 High Your boiler has stopped working because its internal computer board has detected a serious electronic error.
E12 High Your boiler's main control computer and the front display screen have stopped talking to each other, meaning the unit cannot function.
E13 High Your boiler has stopped heating because it is unable to accurately measure the water temperature flowing through the pipes.
E14 High Your boiler has stopped working because it cannot communicate with the sensor that monitors the temperature of your hot water cylinder.
E15 High Your boiler is struggling to start because it cannot get a correct temperature reading from the sensor located on the outside of your house.
E16 High Your boiler has stopped heating because a safety sensor that monitors exhaust gases has detected an electrical fault.
F0 High Your boiler's internal computer has encountered a critical electronic communication error and is unable to operate.
F2 High Your boiler has shut down because it has reached an unsafe temperature and needs to cool down before it can operate again.
F3 High Your boiler is detecting a flame when it shouldn't be there, causing the system to lock out for safety reasons.
F4 High Your boiler has failed to light or cannot detect that a flame has started, meaning you will not have any heating or hot water until it is fixed.
F5 High Your boiler has detected a problem with how it disposes of waste gases, which prevents it from firing up for your safety.
F7 High Your boiler has stopped working because it cannot properly detect the flow of air needed to safely light the burner.
F8 High Your boiler has detected that the gas supply is not shutting off as quickly as it should, preventing the system from firing up safely.
F9 High Your boiler's fan is not spinning fast enough to clear out exhaust gases, which is preventing the burner from starting up safely.
FA High Your boiler's fan is incorrectly spinning when it is supposed to be stopped, which is preventing the system from starting its safety checks.
Fd High Your boiler's internal computer has encountered a critical error and can no longer safely control the burner, meaning your heating and hot water will not work.
FE High Your boiler's internal computer has encountered a critical error and can no longer control the heating or hot water system.
FF High Your boiler has experienced a serious internal electronic failure and has shut down to ensure safety.
U High Your boiler has encountered an internal electronic error that is preventing it from starting the burner to provide heat or hot water.

Viessmann Vitodens 100 Compact 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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