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Beschikbare talen
Beschikbare talen
MR07, MRR07, MH07
Unusual noises
Fault
Loud humming
Device does not heat
Fault
U
= 0 V
TERM
≤ U
U
TERM
ON
Start attempt with
≤ U
U
TERM
OFF
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
EN
Possible cause
A component of the refrigerant circuit
cannot move freely (touching the
wall)
Foreign body jammed between the
cooling unit and the wall
Fan noise (if installed)
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
Troubleshooting
Remedy
Bend the component
carefully away from the
obstruction
Remove the foreign body
–
Remedy
Establish a connection
Replace the supply line
fuse
Charge the battery
Establish a connection
Replacing the battery
Replace the cable
(fig. 8, page 5)
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