Operating instructions

remains on. The device remains in the malfunction

status. Other devices connected to the control panel

can be operated.

Troubleshooting instructions (Combi Gas heater)

Error

Code

Cause Remedy

#17 Summer mode with empty water container switch off device and allow to cool. Fill boiler with water.

warm air outlet blocked Check each of the outlet openings

circulate air intake blocked Remove the blockage from the circulated air intake

#18 Gas pressure regulator frozen Use the regulator heating

Too much Butane in the gas cylinder Use Propane (Butane is unsuitable for heating especially

at temperatures below 10C.)

#21 Room temperature sensor or cable faulty Please contact Truma Customer Services

#24 Potential under-voltage battery voltage too

low <10.4V

Charge the Leisure Battery

#29 Heating element for frostControl has a short

circuit

Disconnect the heating element plug on the electronic

control unit. Replace heating element.

#41 Electronics are blocked Please contact Truma Customer Services.

#43 Over-voltage . 16.4V Check the battery voltage and voltage sources e.g.

charger.

#44 Under-voltage battery voltage too low Charge Battery. Replace any old batteries.

#45 No230V operating Voltage Reconnect the operating voltage 230V.

Faulty 230V Fuse Replace 230V fuse.

Overheating protection has triggered Reset the overheating protection. Allow the heating to

cool down, remove the connection cover and press the

reset button.

#112 Gas cylinder or quick acting valve in the gas

line is closed

Check the gas supply and open the valves.

#212 Combustion air intake or exhaust outlet is

closed

Check the openings for soiling (snow, leaves, ice etc) and

remove.

#255 No panel connedtion between the heater and

the control panel

Please contact Truma Customer Services.

Control Panel cable faulty Please contact Truma Customer Services.