Troubleshooting - Indel Webasto Marine Compact Classic Instructions Pour L'installation Et L'utilisation

10 Troubleshooting

Below are the possible causes of failure or malfunction with an explanation of
measures to be taken. In the event of defects not contained in the table or in the
event of faults that cannot be resolved following the contained instructions, contact
Indel Webasto Marine S.r.l. directly.
Fault
Nothing happens when the
power is switched on.
The compressor only performs
brief start attempts at start-up.
The compressor functions but
does not cool.
The compressor runs for a long
time but without generating
enough cold.
The compressor runs too long,
generating too much cold in the
cooling compartment.
Fuses are blown.
84
Table 8: Fault-cause-measure summary table
Possible cause
Incorrect polarity.
No electrical current.
The battery is drained.
Voltage drop due to cables that
are too thin.
Thermostat fault
Electronic unit fault
Power problems, voltage too low
or voltage drop during start-up
attempts.
The Batteries are drained.
Loss of refrigerant.
Quick coupling joints not tight-
ened enough.
Hoses or evaporator leaking.
Inadequate ventilation and/
or insufficient insulation of the
compressor.
The end of the thermostat
sensor is not mechanically con-
nected to the evaporator.
The thermostat has a fault for
which it does not turn off.
Fuses are sized incorrectly.
Electronic unit fault
User Manual
Measure
Correctly position + and - con-
nections.
Check that mains power is
connected.
Check fuses.
Inspect the charging circuit.
Check possible voltage drops.
Replace cables if necessary.
Connect to bridge C and T on the
electronic unit. If the compres-
sor starts up, the thermostat is
faulty.
Change the electronic unit.
Check cables and connections,
possible presence of verdigris.
Charge the batteries, start the
motor or connect the battery
charger.
Insect and tighten. Contact an
expert in refrigeration systems
for a general check or a specific
refrigerant check.
Improve ventilation and/or
isolation of the cooling compart-
ment.
Check assembly of the sensor
end and replace it.
Re-position the thermostat.
Check fuses 15 A – 12 V / 7.5
A – 24 V
Change the electronic unit.