EQUIPMENT DETAILS
88
Troubleshooting instructions
(Combi Gas heater)
Error code Cause Remedy
#17 • Summer mode with empty water
container
• Warm air outlet blocked
• Circulated air intake blocked
• Switch device off and allow to cool.
Fill boiler with water
• Check each of the outlet openings
• Remove the blockage from the
circulated air intake
#18 • Gas pressure regulator frozen
• Too much butane in the gas
cylinder
• Use the regulator heating (EisEx)
• Use propane (Butane is unsuitable
for heating, especially at tempera-
tures below 10
o
C
#21 • Room temperature sensor or
cable faulty
• Please contact the Truma Service
#24 • Potential under-voltage battery
voltage too low <10.4V
• Charge 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 the Truma Service
#42 • Window above the cowl is open
(window switch)
• Close the window
#43 • Over-voltage > 16.4V • Check the battery voltage and volt-
age sources eg. the charger
#44 • Under-voltage battery voltage too
low < 10.0V
• Charge battery. Replace any
old batteries
#45 • No 230V operating voltage
• Faulty 230V fuse
• Overheating protection has
triggered
• Reconnect the operating
voltage 230V
• Replace the 230V fuse
• 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 closed
• Check the gas supply and open
the valves
#212 • Combustion air intake or exhaust
outlet closed
• Check the openings for soiling
(snow, ice, leaves etc) and remove
#255 • No connection between the heater
and the control panel
• Control panel cable faulty
• Please contact the Truma Service
If these steps do not rectify the malfunction,
please contact the Truma Service.
TRUMA DIGITAL TIMER CONTROL
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