Anthony1
Too young to be old
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- Messages
- 1,168
- Vehicle
- T5 SE 180 4Motion
Meanwhile...Hi first turn of the main power switch in the electrical cabinet off then back in to see if it resets, if not on Truma control panel not the main Vw panel scroll through the screen and try to set the system. Here are the fault code if one is displayed.
Hope you get sorted
Fault code
Cause
Remedy
#17
Summer mode with empty water container
Switch heater off and allow to cool. Fill boiler with water
#18
Warm air temperature exceeded:
- Not all warm air ducts are connected
- Warm air outlets blocked
- Circulated air intake blocked
- Check whether the 4 warm air ducts are connected
- Check the individual outlet openings
- Remove the circulated air intake blockage
#21
Room temperature sensor or cable faulty
Inspect the room temperature sensor cable, replace 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 room temperature sensor if faulty
#24
Risk of low voltage. Battery voltage is too low < 10.4 V
Charge battery
#29
FrostControl heating element has a short circuit
Disconnect heating element plug from electronic control unit. Replace heating element
#42
Open window above cowl (window switch)
Close window.
#43
Overvoltage > 16.4 V
Check battery voltage / voltage sources such as the charger
#44
Low voltage. Battery voltage is too low < 10.0 V
Charge battery. If necessary replace old battery
#45
No 230 V operating voltage
230 V fuse defective
Overheating protection has been triggered
Restore 230 V operating voltage
Replace 230 V fuse (see Combi operating instructions)
Reset overheating protection (see Combi operating instructions)
#112,
#121,
#122,
#202,
#211,
#212
Gas cylinder empty
Gas cylinder or quick-acting valve in the gas supply line closed
Gas pressure regulation system iced up
Butane content in the gas cylinder too high
Combustion air infeed or exhaust outlet is sealed
Gas pressure regulation system faulty
Replacing a gas cylinder
Check gas supply and open valves
Use regulator heater (EisEx)
Use propane. Butane is unsuitable for heating, particularly at temperatures lower than 10 °C.
Inspect openings for obstructions (slush, ice, leaves, etc.) and remove any obstructions
Inspect / replace gas pressure regulation system
#255
Heater has no 12 V power supply
No connection between heater and control panel
Ensure 12 V power supply
Make connection between heater and control panel
Troubleshooting guide (Combi Gas heater) from year of construction 04/2018
Fault code
Cause
Remedy
#255
Heater has no 12 V power supply
No connection between heater and control panel
Ensure 12 V power supply
Make connection between heater and control panel
#301,
#417
Overvoltage > 16.4 V
Check battery voltage / voltage sources such as the charger
#302,
#418
Low voltage. Battery voltage is too low < 10.0 V
Charge battery. If necessary replace old battery
#303,
#411
Risk of low voltage. Battery voltage is too low < 10.4 V
Charge battery
#401
Summer mode with empty water container
Switch heater off and allow to cool. Fill boiler with water
#402
Warm air temperature exceeded:
- Not all warm air ducts are connected
- Warm air outlets blocked
- Circulated air intake blocked
- Check whether the 4 warm air ducts are connected
- Check the individual outlet openings
- Remove the circulated air intake blockage
#407
No 230 V operating voltage
230 V fuse defective
Overheating protection has been triggered
Restore 230 V operating voltage
Replace 230 V fuse (see Combi operating instructions)
Reset overheating protection (see Combi operating instructions)
#412
Open window above cowl (window switch)
Close window.
#507,
#516,
#517
Gas cylinder empty
Gas cylinder or quick-acting valve in the gas supply line closed
Gas pressure regulation system iced up
Butane content in the gas cylinder too high
Combustion air infeed or exhaust outlet is sealed
Gas pressure regulation system faulty
Replacing a gas cylinder
Check gas supply and open valves
Use regulator heater (EisEx)
Use propane. Butane is unsuitable for heating, particularly at temperatures lower than 10 °C.
Inspect openings for obstructions (slush, ice, leaves, etc.) and remove any obstructions
Inspect / replace gas pressure regulation system
#607
Max. number of fault resets reached
Wait 15 minutes and reset fault
#621
Room temperature sensor or cable faulty
Inspect the room temperature sensor cable, replace 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 room temperature sensor if faulty
#624
FrostControl heating element has a short circuit
Disconnect heating element plug from electronic control unit. Replace heating element
Troubleshooting guide (Combi Diesel heating system)
Fault code
Cause
Remedy
#111
Room temperature sensor or cable faulty
Inspect the room temperature sensor cable, replace 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 room temperature sensor if faulty
#122
Lack of fuel due to insufficient fuel tank filling, tank has run empty and / or vehicle is on a slope
Fill tank with fuel. Then fill the fuel line as described in “Initial startup” (see Combi Diesel operating instructions).
#131
No connection between heater and control panel
Make connection between heater and control panel
#132
FrostControl heating element has a short circuit
Disconnect heating element plug from electronic control unit. Replace heating element
#150
Warm air temperature exceeded:
- Not all warm air ducts are connected
- Warm air outlets blocked
- Circulated air intake blocked
- Check whether the 4 warm air ducts are connected
- Check the individual outlet openings
- Remove the circulated air intake blockage
#151
Water temperature exceeded in winter mode:
Water temperature sensor excessive temperature
Warm air outlets blocked
Circulated air intake blocked
Switch off appliance and allow it to cool down. Fill boiler with water
Check the individual outlet openings
Remove the circulated air intake blockage
#152
Water temperature exceeded in summer mode:
Water temperature sensor excessive temperature
Warm air outlets blocked
Circulated air intake blocked
Switch off appliance and allow it to cool down. Fill boiler with water
Check the individual outlet openings
Remove the circulated air intake blockage
#160
Undervoltage < 10.2 V
Check battery voltage, charge if necessary
Short-term immediate measure. Switch off major consumers or start up the vehicle engine until the heater starts to operate (approx. 4 minutes)
Battery capacity inadequate, if necessary exchange old battery
#161
Overvoltage > 16.4 V
Check battery voltage / voltage sources such as the charger
#162
Open window above cowl (window switch)
Close window.
#164
No 230 V operating voltage
230 V fuse defective
Overheating protection has been triggered
Restore 230 V operating voltage
Replace 230 V fuse (see Combi operating instructions)
Reset overheating protection (see Combi operating instructions)
#170
Risk of low voltage. Battery voltage is too low < 10.4 V
Charge battery
#255
Heater has no 12 V power supply
No connection between heater and control panel
Ensure 12 V power supply
Make connection between heater and control panel
Troubleshooting guide (air conditioning system)
Fault code
Cause
Remedy
#1
Failure (short circuit or broken cable), room temperature
sensor
Contact Truma Service
#2
Ice sensor (inside) triggered
Inspect the filter and replace it if necessary
#4
Ice sensor (outside) triggered
Keep the air inlets / outlets on the roof free of obstructions such as leaves
#8
IR receiver unplugged or cable broken
Check the connection of the IR receiver
#17
Voltage drop at 230 V power supply
Check 230 V power supply
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