IceDry 30
Fault symptom
Indicators
Possible cause
Corrective action
The red lamp illuminates
(alarm ) and window 5
shows: Alarm code No. 1
Reactivation heater's high
temperature cut-out BT35
or BT35A has been tripped,
either due to a block of
reactivation airflow or because
the reactivation airflow setting
is too low.
Leave the unit to cool down. Check that the
air inlet and outlet ducts and filters are free
from obstructions and are not blocked by ice
or dirt. Adjust the reactivation airflow.
Alarm code No. 2
Rotor has stopped.
Check that the drive belt is intact.
Reactivation fan is not working:
- the circuit breaker has tripped
Reset QM15. If the fault re-occurs call
Munters Service.
Unit has stopped
Alarm code No. 3
- contactor fault
Check KM 32.
Alarm code No. 4
Process air fan is not working:-
the circuit breaker has tripped
Investigate the reason and reset QM 16.
Alarm code No. 5
Temperature too high in drive
motor
Leave the motor to cool down and rectify the
cause.
Alarm code No. 6
Reactivation heater is not
working
Reset QM 12, 13 or 14.
Alarm code No. 7
Reserve
Alarm code No. 8
Reserve
Alarm code No. 9
High temperature in
reactivation fan heater. High
temperature cut-out BT23
and/or BT37 has tripped.
High temperature cut-out BT23 must be
reset manually. It is located on the fan house
within the dehumidifier. To access, remove
the centre panel on the dehumidifier.
Unit has stopped
Alarm code No. 10
External wiring not connected
Check that all external control panels and
dehumidifier connectors are properly
connected.
None
The reactivation air
temperature is too low
according to
display No. 1.
Check the function of the reactivation
heater.
None
Reactivation and process
airflows do not correspond to
the rated airflows.
Check and adjust the reactivation
and process airflow, see section
4.10, Airflow check and adjustment
.
Loss of performance.
The dehumidifier is
in operation but is not
controlling the humidity.
None
Frost and ice build-up in the
rotor.
Check that the automatic defrosting function
is working, see section
Table 8.1 Fault tracing list
29
Fault tracing
190TEN-1049-H1307
Summary of Contents for IceDry 30
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