Specifications

equipment details
144
equipment details
145
INTERIOR TEMPERATURE TOO LOW IN CONTROL LEVEL ‘1’
FAULT POSSIBLE CAUSE REMEDY
Compressor runs constantly Faulty thermostat Change the thermostat
Compressor runs for a
long time
Large quantities have
been frozen in the
freezer compartment
COMPRESSOR DOES NOT RUN (BATTERY CONNECTION)
U
KL
=0V There is an interruption in
the connection between the
battery and the – electronics
Main switch faulty (if installed)
Additional supply line fuse
has blown (if installed)
Establish a connection
Replace the main switch
Replace the supply line fuse
U
KL
≤ U
EIN
Battery voltage is too low Charge the battery
Start attempt with
U
KL
≤ U
OFF
Loose cables -
Poor contact (corrosion)
Battery capacity too low
Cable cross section too small
Establish a connection
Replace the battery
Replace the cable
Start attempt with
U
KL
≤ U
ON
Ambient temperature too high
Insufficient ventilation and/or
air supply
Condenser is dirty
Move the refrigerator to
another location
Clean the condenser
Electric circuit between
the pins in the
compressor interrupted
Defective compressor Replace the compressor
U
KL
Voltagebetweenthepositiveandnegativeterminalsoftheelectronics
U
ON
Cut-in voltage of the electronics
U
OFF
Cut-off voltage of the electronics
COMPRESSOR IS NOT RUNNING (CONNECTED TO AC SUPPLY)
FAULT POSSIBLE CAUSE REMEDY
Novoltage Interruption in the
supply cable
Main switch faulty
(if installed)
Additional supply line fuse
has blown (if installed)
Establish a connection
Replace the main switch
Replace the supply line fuse
Voltageispresentbutthe
compressor doesn’t run
Ambient temperature too high
Insufficient ventilation and/or
air supply
Condenser is dirty
Move the refrigerator to
another location
Clean the condenser
Electric circuit between
the pins in the compressor
interrupted
Defective compressor Replace the compressor
POOR COOLING, INTERIOR TEMPERATURE INCREASES
Compressor runs for a long
time/continuously
Ambient temperature too high
Insufficient ventilation and/or
air supply
Condenser is dirty
Faulty fan
Move the refrigerator to
another location
Clean the condenser
Replace the fan
Compressor runs
intermittently
Battery capacity exhausted Charge the battery
UNUSUAL NOISES
Loud humming A component of the
refrigerant circuit cannot move
freely (touching the wall)
Foreign body jammed
between the cooling unit and
the wall
Fan noise
Bend the component carefully
away from the obstruction
Remove the foreign body