26
Troubleshooting
In the event of unusual or undesired operation, consult the table below before contacting a
service agent.
Problem
Possible Cause
Remedial Action
The fridge will not run
when connected to 12V,
but only when connected
to 230V mains.
12 Volt polarity reversed.
The battery is discharged.
The DC supply has inadequate
wiring, causing voltage loss.
(See page 6 and 10)
Fridge is initially connected to a
battery that is not fully charged.
Check polarity to battery is correct.
Recharge the battery.
Ensure all connections are secure.
Ensure supply has 4mm
2
wire or
thicker and that the vehicle’s body
is not used as an earth.
Select “Low” on battery protection
(See page 10)
Fault ID light flashes once
every 4 seconds.
The ventilation fan is
noisy or not running
The ventilation fan is blocked or
damaged.
There is excessive dust or dirt
build-up on the fan
Check the ventilation fan for
obstructions.
If the fan is broken, return the
refrigerator to an authorised agent
for repair.
The Fault ID light is
flashing twice every
4 seconds.
The Fault ID light is flashing 3
times every 4 seconds.
The compressor failed to start
correctly.
High pressure due to over-load
or electronic failure.
Under high pressure conditions
this fault will rectify itself automati-
cally when gas pressures equalise.
Continuous 3-flash conditions may
require electronic control replace-
ment by an authorised service
agent.
The Fault ID light is
flashing 4 times every
4 seconds.
The compressor is not main-
taining the correct
minimum speed.
Continuous 4-flash conditions may
require electronic control replace-
ment by an authorised service
agent.
The Fault ID light is
flashing 5 times every
4 seconds.
Compressor area is
over-heated.
The cooling fan is in-operative.
Ambient temperature very high.
Fridge over-loaded.
Check fan.
Ventilation inadequate.
Wait for ambient temperature to
drop. (See page 11).
The thermostat display is
showing “ P r f “
The internal temperature probe
is faulty, damaged or
disconnected.
Contact a National Luna service
agent for a probe replacement
Summary of Contents for Classic 40 litre
Page 1: ...PORTABLE REFRIGERATOR...
