Cleaning And Maintenance - Dometic DM 50NTE Series Installation And Operating Manual

Troubleshooting
8 Troubleshooting
Fault
Device does not
function, Power Status
LED does not glow.
The device does not
cool (plug is inserted,
Power Status LED
glows).
The Error LED flashes
once per second.
The Error LED flashes
twice per second.
Device does not cool
sufficiently, Power
Status LED glows, Error
LED does not glow.
9

Cleaning and maintenance

!
WARNING! ELECTRICAL SHOCK.
Always disconnect the device from the power supply before you clean
and service it.
A
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.
➤ Occasionally clean the device interior and exterior with a damp cloth.
➤ 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.
22
Possible cause
No voltage present in
the AC voltage socket.
No voltage present in
the UPOE socket.
The mains adapter is
defective.
The cooling element is
defective.
Temperature sensor is
defective.
The fan is defective.
The cooling element is
defective.
Poor ventilation
Suggested remedy
Try using another plug socket.
This can only be repaired by an
authorised repair centre.
This can only be repaired by an
authorised repair centre.
This can only be repaired by an
authorised repair centre.
This can only be repaired by an
authorised repair centre.
This can only be repaired by an
authorised repair centre.
Check the ventilation.
Clean the filter underneath the device.
DM50NTE
EN