Emergency shutdown
30 K-MT1-8_EN_08—2014
Display Explanation
2 215
Default display: The figure to the left indicates the current
processing step; the figure to the right shows the remaining
time in seconds.
In this example, step 2 is being completed, whereby there are
215 seconds remaining.
SEr.
After 8000 operating hours, "SEr." (service) is displayed for
periods of 1 minute, alternating with the default display.
Notify the service personnel of the manufacturer, as a routine
service is now due.
– 25
With the dewpoint-sensing control option, the display shows the
currently measured dewpoint instead of the default data. The
range of display is -100 °C (-148 °F) to +20 °C (68 °F).
If the measured dewpoint exceeds the preset alarm limit (5 °C
(41 °F) above the switchover value), the displayed dewpoint
value is flashing.
With the optional dewpoint-sensing control, the following error messages might
be displayed:
Display Cause
+20
Upper measuring range limit exceeded
999
Dewpoint sensor defective
sens
Dewpoint sensor not powered
Cable defective or disconnected
Sensor defective
or
–999
LED Economy cycle (4)
This LED is only relevant in units that are equipped with the optional dewpoint-
sensing control. The diode lights up when the dryer is switched on and in the
standby phase and no regeneration air is required.
Emergency shutdown
To emergency shut-down the dryer heed to the following instructions:
► Close shut off valves upstream and downstream of the dryer (if applicable)
► Disconnect the electrical power supply (i.e. by switching the ON/Off switch to
0).
The dryer is now off-line.
► If applicable, depressurise the dryer now.
Before re-commissioning the dryer ensure that the emergency situation has been
solved and that the dryer is not damaged.
Never comission a damaged dryer!
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