_MR-07_MH-07.book Seite 31 Freitag, 16. September 2011 4:42 16
Kühlschrank
11
Troubleshooting
11.1
MR-07
Compressor does not run
Fault
U
= 0 V
KL
≤ U
U
KL
ON
Start attempt with
U
≤ U
KL
OFF
Start attempt with
≥ U
U
KL
ON
Electric circuit between
the pins in the compres-
sor interrupted
U
Voltage between the positive and negative terminals of the electron-
KL
ics
U
Cut-in voltage of the electronics
ON
U
Cut-off voltage of the electronics
OFF
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
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
Replace the compressor
31