Operating instructions

70
The red and the yellow LEDs
ash alternately with 1 Hz
There is a threat of
under-voltage when
heating up the water.
Battery voltage is too
low < 10.4 V.
Charge battery.
After the heater is switched
on, the green LED is lit and the
red LED blinks.
Electronics are
defective.
Please contact the Truma Service Centre.
Approximately 30 seconds
after the heater is switched
on, the red LED is lit.
Gas cylinder or quick-
closure valve in the gas
line is closed.
Combustion air infeed or
exhaust outlet is sealed.
Check gas supply and open valves.
Inspect openings for contamination (slush, ice, leaves,
etc) and remove contamination if necessary.
After operating for a longer
period of time, the heater
switches to failure.
Summer operation with
empty water tank.
Hot-air outlets blocked.
Recirculated air intake
blocked.
Gas pressure regulator
iced up.
Butane content in the
gas cylinder too high.
Switch device off and allow to cool. Fill boiler with
water.
Check individual outlet apertures.
Remove blockage from recirculated air intake.
Use regulator heating (EisEx).
Use propane (at temperatures below 10
0
C in
particular, butane is unsuitable for heating purposes).
Fault Cause
Green and red LED’s Flash
(with 5 Hz) after the heatng
system has been switched off.
Unit was switched off
during failure. After
running is active in
order to reduce the
unit’s temperature.
After running will switch off after a few minutes. Only
at that time will a failure reset be possible (switch off
and then back on again)
Green LED ashes (with 5 Hz)
after the heating sytem has
been switched off
After running is active
in order to reduce the
unit’s temperature
No Failure. After running will switch off after
approximately 5 minutes.