Dometic Coolmatic MR07 Installation And Operating Manual page 18

Troubleshooting
Fault
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
18
Possible cause
Ambient temperature too high
Insufficient ventilation and/or air
supply
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
MR07, MRR07, MH07
Remedy
–
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
EN