User Manual
25
7 Troubleshoong
All work on electrical parts or electrical connecons and the refrigerant circuit must
be carried out by qualied and authorised personnel.
Warning: Disconnect electrical power before performing any operaons on electrical
parts or on electrical connecons.
Defect Possible cause Intervenon
The product does not cool,
the compressor will not
start.
No electrical power. Baery
in poor condions. Faulty
thermostat. Defecve
electronic control unit.
Check to make sure that the electronic
control unit is receiving sucient power
and voltage; check the fuse. Verify that the
internal lighng is working and that the
compressor is receiving power. Check the
cables, lugs and connectors. Verify that
the baery is charging properly. Check the
thermostat: Bridge T - C with a separate
cable. If the compressor will not start,
its electronics are probably defecve.
Replace. If the compressor starts up with
the bridge, the thermostat is defecve.
Replace the thermostat.
The compressor only
performs brief aempts at
starng up.
There is insucient voltage or
else a drop in voltage during
the aempt to start. The
protecon device is acvated.
The Baeries are drained.
Check the cables and connecons; remove
any traces of oxidaon or corrosion.
Charge the baeries, start the motor or
connect the baery charger.
The compressor funcons
but doesn’t cool.
Loss of refrigerant through
the evaporator or the tubing.
Tubing clogged.
Carry out a leak check and repair any
leaks, drain and rell the proper amount of
refrigerant. (This operaon must be carried
out by a qualied technician.)
The compressor runs for
a long me but doesn’t
cool properly (reduced
eciency).
Insucient venlaon,
the condensaon unit is
overheang. The fan is not
working properly. There is too
much frost on the evaporator.
The door does not close
properly and lets in warm,
moist air. The condenser is
blocked by dust.
Increase the venlaon. Replace the fan.
Defrost the unit. Correct the posion of
the door and check the gasket. Clean the
condensing unit.