Swift Motorhomes 2013, Owner'S Service And Warranty Handbook

Page: 112 / 205

FITTED EQUIPMENT
110
TRUMA COMBI
Troubleshooting
Fault Cause Rectification
After switching on
(winter and summer
operation) none
of the controls are
operational. - No operating voltage.
- Device fuse or vehicle
fuse defective.
- Check 12 V battery voltage,
charge if necessary.
- Check all electrical plug connections.
- Check the unit or vehicle fuse and
replace if necessary
(see fuses).
The unit is switched
on, but the heater
does not operate. - The temperature setting
on the control panel is
lower than the room
temperature.
- Select higher room temperature at the
control panel.
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
°C in particular, butane is unsuitable for
heating purposes).
Fan continues to
run after controls
switched off - Unit was switched off
during failure. After-
running is active in order
to reduce the unit’s
temperature.
- 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).
- No failure. After-running will switch off
after approximately 5 minutes.
When the device
is switched on in
electrical operation,
the heater does not
heat up. - No 230 V operating
voltage.
- 230 V fuse defective.
- Overheating protection
has activated
- Check 230 V operating voltage.
- Check 230 V fuse and replace if
necessary.
- Reset overheating protection. Allow
heater to cool, remove connection
cover and press reset button.
If these measures do not remove the
failure, please contact the Truma Service
Centre.