20
Error code
(Display)
Number of
flashes (every
4seconds)
Cause Descripton / Solution
E2 2
Fan issue
• Fan is drawing too many amps
(over 0.6 amps).
E3 3
Compressor start issue
• Unplug cable and allow appli-
ance to rest for 10 minutes.
• Try on different power source
(vehicle or 100V-240VAC
connector).
• Electronic box fault.
E4 4
Low motor speed
• Reduce products/items inside
appliance.
• Move so appliance is in a lower
ambient temperature, clean
vents/ensure clear air flow over
compressor.
E5 5
Over temperature
• Move so appliance is in a lower
ambient temperature.
• Clean vents/ensure clear air flow
over compressor.
If these measures do not remedy the malfunction, contact your dealership, Truma Service or
one of our authorized Service Partners.