Nederman L-PAK Series, Original Instruction Manual

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L-PAK 150/250 Advanced EN
8
5 PLC messages
The following sections show the different status, warning and alarm messages
that can be seen in the PLC display.
5.1 Status messages
The following status messages give information about what mode the unit is in
or what routine service is being performed.
5.1.1 L-PAK Off (Off mode)
The unit is in Off mode, which is also the unit’s start menu. The unit can also
go into Off mode if something is wrong, such as if an alarm is activated. The
pump motor is off, there is no vacuum, the FCV is closed, and the unit cannot
be activated by a pilot signal.
5.1.2 L-PAK Standby (Standby mode)
The unit is in Standby mode and is ready. The pump motor is off, there is no
vacuum, the FCV is closed, and the unit is waiting for a pilot signal to go into
Running mode.
Standby
Waiting for
pilot signal
2012-07-02
ESC OK
5.1.3 Running (Running mode)
The unit in Running mode. The pump motor is on and the unit generates a
vacuum. The FCV is closed.
Running
DIRTm 00:00s
OTTmr 00:00s
ESC OK
DIRTm: The amount of time before the unit goes
into Idling mode. The default is 10 seconds. See
also Section
6.2.4. DIR_Time
.
OTTmr: If the Overtime timer has been
activated, OTTmr shows the elapsed time since
the overtime timer started.
5.1.4 Idling (Idling mode)
The unit in Idling mode. The pump motor is on, there is no vacuum, and the
FCV is open. The unit goes into Idling mode when there has been no pilot
signal for the time set in DIR_Time, see Section 6.2.4. DIR_Time .
L-PAK
Off
TimeToService
2000Hour
ESC OK
TimeToService: The amount of time until next
scheduled service. The default setting is 2000
hours. See Section
6.2.3. H-Meter 1
.