Dometic COOLAIR SPX1200IC Operating Manual page 19

RTX2000, SPX1200IC
8.1 Control panel warnings
The system control unit has various functions for protecting the device and the
battery. If one of these protective functions has been triggered, this is shown by the
following codes on the display.
Display
Description
indication
LO The battery monitor
has detected low
voltage.
LO °C The system has
detected that the
ambient temperature
is too low for opera-
tion.
HI The system has
detected a brief or
constant over-volt-
age.
The system has
detected a too big
inclination.
The compressor is
switched off.
10 minutes later, the
entire system will be
switched off.
EN
Cause
Connection voltage is
too low. The battery
capacity is not sufficient
to operate the system.
The ambient tempera-
ture is below 5 °C.
A brief over-voltage may
occur when large electri-
cal consumers are
switched off.
Constant over-voltage is
the result of an incorrect
connection voltage.
The compressor (driver's
cab) is tilted too far.
Display messages
Remedy
➤ Charge your vehicle
battery.
➤ If the fault occurs again,
contact an authorized
workshop.
➤ Wait until the ambient
temperature has risen
above 5 °C before
switching on the
system.
➤ Brief over-voltage: No
action required.
➤ If the display message
"HI" remains visible for
a longer period: Have
the vehicle electronics
checked. Make sure
the connection voltage
is less than 30 V.
➤ Once the compressor
has been returned to its
normal position, the
system can be
switched on again.
19