8. Fault tracing
Symptom
Indication/Alarm
message
Possible cause
Action
Unit has
stopped
No display text
Power supply fault.
Check power supply to the unit.
Blown fuse
Replace the fuse. For correct type and rating,
see label above power supply connection to the
unit.
Green LED is flash-
ing: long on, short
off sequence
There is no need for
dehumidification. Meas-
ured humidity is below
the set point (mode Fan
"DEM" or "INT").
None. The unit is in stand-by. It will start when
the measured humidity reaches the Set Value.
Alarm message:
[SENSOR FAIL-
URE]
Broken sensor
Contact Munters.
Alarm message:
[HEATER FAIL-
URE] or [HIGH Ri
TEMP] or [HIGH Rt
TEMP]
- Over temperature pro-
tection fuse has tripped
- Blocked filter, hose or
duct
- Blocked impeller
Wait until the unit has stopped. Then disconnect
the power supply. Check that the filters, hoses or
ducts are not clogged.
To reset the over temperature protection fuse,
the unit must be disconnected from the mains
and allowed to cool down.
If the alarm is reissued after the unit has cooled
down and the alarm has been reset, contact
Munters.
Alarm message:
[HIGH Wt TEMP]
Set Value RH is too low
in dry environment
Check if low Set Value RH is necessary. Adjust
to higher value.
Rotor drive mechanism
fault
Check rotor drive belt and drive motor.
Check through the dry air outlet that the rotor ro-
tates at approximately ten revolutions per hour.
If rotor does not rotate, contact Munters.
Alarm message:
[MAINS VOLTAGE
LOW]
Unit is connected to the
wrong voltage, or prob-
lem with the supply.
Check mains supply.
Alarm message:
[LONG STOP
TIME]
Broken fan. Heater is
on
Contact Munters.
Indication
Alarm message:
[TIME FOR SERV-
ICE]
See the ComDry Control system supplement.
Alarm message:
[NO COM]
CAN busempty plugs or
external connection
missing.
Reinstall plugs or connection cable. If alarm re-
mains, contact Munters.
Loss of per-
formance
The dehumidifier is
running but is not
controlling the hu-
midity.
Low reactivation tem-
perature
Check that the humidity Set Value is lower than
the measured humidity.
Low reactivation airflow
Check the filter and any hoses or ducts for leak-
age or blockage. The use of a restricting flange
in combination with wall pipes can cause too lit-
tle reactivation air flow.
ComDry M210X Dehumidifier
24
Содержание ComDry M210X
Страница 1: ...ComDry M210X Dehumidifier User manual from serial no 20001 T M210X A1808 ENGLISH ...
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