Dometic Waeco CoolMatic MR07 Instructions De Montage Et De Service page 35

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CoolMatic MR07, MRR07, MH07
11
Troubleshooting
Compressor does not run
Fault
U
= 0 V
TERM
U
≤ U
TERM
ON
Start attempt with
≤ U
U
TERM
OFF
Start attempt with
≥ U
U
TERM
ON
Electric circuit between
the pins in the compres-
sor interrupted
U
Voltage between the positive and negative terminals of the electronics
TERM
U
Cut-in voltage of the electronics
ON
U
Cut-off voltage of the electronics
OFF
Poor cooling, interior temperature increases
Fault
Compressor runs for a
long time/continuously
Compressor runs
intermittently
EN
Possible cause
There is an interruption in the connec-
tion between the battery and
the electronics
Additional supply line fuse has blown
(if installed)
Battery voltage is too low
Loose cables
Poor contact (corrosion)
Battery capacity too low
Cable cross section too small
Ambient temperature too high
Insufficient ventilation and/or air sup-
ply
Condenser is dirty
Fan defective (if installed)
Defective compressor
Possible cause
Vaporiser is iced over
Ambient temperature too high
Insufficient ventilation and/or air sup-
ply
Condenser is dirty
Fan defective (if installed)
Battery capacity exhausted
Troubleshooting
Remedy
Establish a connection
Replace the supply line
fuse
Charge the battery
Establish a connection
Replacing the battery
Replace the cable
(fig. 8, page 6)
Move the refrigerator to
another location
Clean the condenser
Replace the fan
This can only be repaired
by an authorised
customer services unit.
Remedy
Defrost the vaporiser
Move the refrigerator to
another location
Clean the condenser
Replace the fan
Charge the battery
35

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Waeco coolmatic mrr07Waeco coolmatic mh07

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