Dehumidifier ML420-MLT1400
1.6.7 Process alarms
The operator panel is equipped with an internal alarm that is activated when the alarm thresholds are
exceeded. The alarm is indicated in the display on the operator panel.
Alarm messages
The display on the operator panel shows the following messages (steadily lit):
rHI
Upper alarm limit exceeded
rLO
Lower alarm limit exceeded
E1
Faulty humidity transmitter or incorrect connections
EEE
All parameter settings are lost
Acknowledge alarm on RH98
Acknowledge the alarm by pressing on the operator panel. The display now starts to flash and displays
the alarm message and the current relative air humidity alternately. The function for the reset button is
dependent on the parameter settings, see
.
Sensor calibration
The humidity transmitter's read off value can be calibrated using the operator panel sensor offset, se
parameter 05,
Example: If 3% RH is too much, the offset should be reduced by 3%.
Contact Munters for calibration of the humidity transmitter.
190TGB-1035-H1604
Options
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