Troubleshooting Guide, Truma Varioheat - Truma VarioHeat eco Operating Instructions Manual

Troubleshooting guide, Truma VarioHeat

Flashing code on the analog CP classic control panel
Flashing sequence
- On / Off
Pause between flashing sequence 5 seconds
Fault Cause
LEDs do not light up, – Automatic restart is blocked, e.g.
appliance is switched
on, operating voltage
present
No LED illuminates – No operating voltage
after switching on
– Appliance fuse or vehicle fuse
The green LED lights – The temperature set on the con-
up after switching on,
but the heater does
not operate
Red LED flashes 1 x
– Gas cylinder or quick-acting valve
– Gas cylinder empty
– Gas pressure regulation system
After operating for a
longer period of time, – Butane content in the gas cylinder
the heater switches
to fault
– Combustion air infeed or exhaust
Red LED flashes 2 x – Heater fault
After the heater is – Risk of low voltage, battery voltage
switched on, the
green LED is lit and
the red LED flashes – Low voltage, battery voltage too
3 x
– Overvoltage > 16.4 V
Red LED flashes 4 x – Open window above cowl (win-
Red LED flashes 5 x – Warm air outlets blocked
– Circulated air intake blocked
Red LED flashes 6 x – Motor wear limit will be reached
If these measures do not remedy the fault or if fault codes are displayed that you cannot find in the troubleshoot-
ing guide, contact Truma Service.
0.5 seconds
after a power failure
defective
trol panel is lower than the room
temperature
in the gas supply line closed
iced up
too high
outlet is sealed
too low < 10.4 V
low < 10 V
dow switch)
soon
Remedy
– Reset (fault reset) by switching off, wait for 5 seconds and
then switch on again
– Check 12 V battery voltage, charge battery if necessary
– Check plug connections
– Check fuse of appliance or vehicle and replace if necessary
– Select a higher room temperature on the control panel
– Check gas supply and open valves
– Replacing a gas cylinder
– Use EisEx regulator heater
– Use propane (butane is unsuitable for heating, particularly
at temperatures below 10 °C)
– Inspect openings for obstructions (slush, ice, leaves, etc.)
and remove any obstructions
– Contact Truma Service
– Charge battery
– Charge battery and replace old battery if necessary
– Check the battery voltage and voltage sources such as the
charger
– Close windows
– Remove blockage
– Remove blockage
– Contact Truma Service
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