Truma VarioHeat Series Einbauanweisung Seite 97

Troubleshooting guide, Truma VarioHeat
Flashing code at the analogue CP classic control panel
Flashing sequence
- On / Off 0.5 seconds
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
– Device fuse or vehicle fuse defective
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
(approx. 30 seconds
after the heater is
switched on) – Gas cylinder empty
– Gas pressure regulation system
After operating for a – Butane content in the gas cylinder
longer period of time,
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 3 x.
– Low voltage, battery voltage too
– Overvoltage > 16.4 V
Red LED flashes 4 x
– Open window above cowl
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 troubleshooting
guide, contact Truma Service.
after a power failure
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
( window 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 window
– Remove blockage
– Remove blockage
– Contact Truma Service
29