Troubleshooting Guide, Truma Air Conditioning System (A); Troubleshooting Guide, Truma E-Kit (E) - Truma CP Mode D'emploi Et Instructions De Montage

Troubleshooting guide, Truma air conditioning system (A)
Fault code Cause
– IR receiver unplugged or cable broken
E 8 A
W 8 A
– Voltage drop at 230 V
E 17 A
W 17 A

Troubleshooting guide, Truma E-Kit (E)

Fault code Cause
– Overvoltage > 16.1 V
W 101 E
– Low voltage
W 102 E
Battery voltage too low < 10.4 V
– Warm air outlets blocked
W 103 E
– Circulated air intake blocked
– No 230 V
W 104 E
– 230 V fuse defective
– Truma E-Kit has no 12 V power supply
W 255 E
– No connection between Truma E-Kit and
control panel
If these measures do not remedy the error, or if fault codes are displayed that you cannot find in the troubleshoot-
ing guide, please contact Truma Service.
38
power supply
operating voltage
Remedy
– Check the connection of the IR receiver
– Check 230 V power supply
Remedy
– Check the battery voltage and voltage sources, such as the
charger
– Charge battery and replace old battery if necessary
– Check the individual outlet openings
– Remove the circulated air intake blockage
– Restore 230 V operating voltage
– Replace 230 V fuse
– Ensure 12 V power supply
– Connect heater and control panel