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EN | User Manual
With dewpoint-sensing control (optional)
Fault code Description of
fault
+20
Upper measuring
range limit exceeded
999
Dewpoint sensor
defective
sens
Sensor not powered,
o
or cable or sensor
–999
defective
SEr
Display for service
interval. Regular
maintenance tasks
must be carried out.
KE-MT 120-600
Possible cause
Drying capacity
exceeded.
Error in programme. Restart programme.
Sensor defective or
irreversibly contam-
inated.
Sensor, sensor cable
or sensor adapter
defective.
The display appears
after every 8000
operating hours.
Identify and eliminate faults
Remedy
See instructions for
commissioning. If the
drying agent is wet,
replace it.
Replace sensor.
Visual inspection; check
power supply (24 V
to terminals 4 and 6).
Replace defective com-
ponent(s).
Inform the manufactur-
er's service staff and
order the appropriate
service kit. The package
includes a dongle with
which you can reset the
operating hours counter
after maintenance has
been carried out. For
instructions on how to
use the dongle see the
enclosed information
sheet (in the service kit).
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