Page 128 - 2017-Swift-Group-Motorhomes-Handbook-web

TRUMA TROUBLESHOOTING

Troubleshooting instructions (Combi Gas heater) FITTED EQUIPMENT

Error Cause Remedy
code
#17 • Summer mode with empty water • Switch device off and allow to cool. Fill boiler with
container water
#18
• Warm air outlet blocked • Check each of the outlet openings
• Circulated air intake blocked • R emove the blockage from the circulated air intake

#21 • R oom temperature sensor or cable • Inspect the room temperature sensor cable, replace
faulty if faulty

• Check the resistance of the room temperature
sensor. 15°C – 16.2 kOhm / 20°C – 12.6 kOhm /
25°C – 10.0 kOhm Replace the room temperature
sensor if faulty

#24 • R isk of low voltage. Battery voltage is • Charge battery
too low < 10.4 V

#29 • Frost Control heating element has a • D isconnect heating element plug from electronic

short circuit control unit. Replace heating element

#42 • Open window above cowl (window • Close the window
switch)

#43 • Over-voltage > 16.4V • C heck battery voltage / voltage sources such as
the charger

#44 • L ow voltage. Battery voltage is too low • Charge battery. If necessary replace old battery
< 10.0 V

#45 • No 230 V operating voltage • Restore 230V operating voltage

#112 • Faulty 230V fuse • Replace 230V fuse
#202 • P lease contact Truma Service
#121 • Overheating protection has triggered • Check gas supply and open valves
#211
• G as cylinder or quick-acting valve in
#122 the gas supply line closed.
#212
• G as pressure regulation system iced up • Use regulator heater (EisEx)

• Butane content in the gas cylinder too • Use propane. Butane is unsuitable for heating,
high particularly at temperatures lower than 10°C.

• C ombustion air infeed or exhaust outlet • Inspect openings for obstructions (slush, ice, leaves,

is sealed etc.) and remove any obstructions

• G as pressure regulation system faulty • Inspect / replace gas pressure regulation system

• E lectronic system faulty • Please contact Truma Service

#255 • H eater has no 12 V power supply • Ensure that the 12V power supply is available

• N o connection between heater and • M ake connection between heater and control panel
control panel

• Control panel cable faulty • Please contact the Truma Service

If these measures do not remedy the fault or if fault codes are displayed that you can-
not find in the troubleshooting guide, contact Truma Service.

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