DM50 Troubleshooting
19
8 Troubleshooting
Fault Possible cause Suggested remedy
Device does not
function, Status LED
does not glow.
No voltage present in
the AC voltage socket.
Try using another plug socket.
The mains adapter is
defective.
This can only be repaired by an
authorised repair centre.
The device does not
cool (plug is inserted,
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.
The Error LED flashes
twice per second.
The fan is defective. This can only be repaired by an
authorised repair centre.
Device does not cool
sufficiently, 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.
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