EN
Troubleshooting
DM 50NTE D, DM 50NTE F, DM 50NTE UPOE
22
8
Troubleshooting
9
Cleaning and maintenance
!
A
1. Occasionally clean the device interior and exterior with a damp cloth.
2. Make sure that the air inlet and outlet vents on the device are free of any dust and
dirt, so that heat can be released and the device is not damaged.
3. Occasionally clean the inlet filter.
4. If you find water in the drip tray (fig.
3, page 4) check whether the drainage
system is blocked.
Fault
Possible cause
Suggested remedy
Device does not
function, Power Status
LED does not glow.
No voltage present in
the AC voltage socket.
Try using another plug socket.
No voltage present in
the UPOE socket.
The mains adapter is
defective.
This can only be repaired by an
authorised repair centre.
The device does not
cool (plug is inserted,
Power Status LED
glows).
The cooling element is
defective.
This can only be repaired by an
authorised repair centre.
The Error LED flashes
once per second.
Temperature sensor is
defective.
This can only be repaired by an
authorised repair centre.
Device does not cool
sufficiently, Power
Status LED glows, Error
LED does not glow.
The cooling element is
defective.
This can only be repaired by an
authorised repair centre.
Poor ventilation
Check the ventilation.
Clean the filter underneath the device.
WARNING! ELECTRICAL SHOCK.
Always disconnect the device from the power supply before you clean
and service it.
NOTICE! MATERIAL DAMAGE.
•
Never clean the cooler under running water or in dish water.
•
Do not use abrasive cleaning agents or hard objects during cleaning
as these can damage the cooler.
DometicDM50NTE-UPOE_IOM_4445103432_AMER4_202x-xx-xx.book Seite 22 Dienstag, 7. Dezember 2021 7:52 07
