Dometic FreshJet 7 Lite 48 V Series Operating Manual page 21

Problem
The roof air conditioner does not
switch off.
Only for fixed-speed and inverter
models: The roof air conditioner con-
stantly switches itself off.
The display shows: P0
The display shows: P1
The display shows: P2
The display shows: P3
The display shows: P4
The display shows: P5
The display shows: P6
The display shows: P7
The display shows: P8
The display shows: P9
The display shows: E0
Possible cause
One of the temperature sensors is de-
fective.
The electrical fuse of the power supply
is too low.
One of the temperature sensors is de-
fective.
The electrical fuse of the power supply
is too low.
The icing sensor has tripped.
Over temperature or over current on
IPM module
Under voltage protection
Unit DC over-current protection
Overvoltage protection
Discharge tube overheat protection
Evaporator coil protection (cooling
mode)
Condenser coil protection (cooling
mode)
Evaporator coil protection (heating
mode)
Ambient outdoor temperature too
high (heating mode) or too low (cool-
ing mode) protection
Compressor drive abnormal or com-
pressor does not start
Communication failure
Dometic FreshJet 7 Series Lite 48 V EN
Suggested remedy
Contact an authorized service agent or
Dometic.
The power supply at the camp-
ing site is overloaded. Check the
power supply at the camping
site.
If applicable, unwind the power
cable drum.
Reduce the active electrical con-
sumers in the vehicle.
The electrical protection at the
camping site is not sufficient.
Check the electrical protection
at the camping site.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
The outer temperature is too low or all
air nozzles are closed.
Contact an authorized service agent or
Dometic.
Check the power supply at the camp-
ing site.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
Contact an authorized service agent or
Dometic.
21