Nederman L-PAK Series, Руководство пользователя, Страница: 10 / 17

L-PAK 150/250 Standard EN
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5.2.1 Time for service
The time interval set in the ‘Service Interval Setting’ menu has expired. If this alarm is
activated, the light in the Standby/Running button is lit one second and then again in 7
seconds. This 1/7 on/off sequence continues until the warning is reset.
Reset the alarm by first putting the unit into Off mode. Press the manual filter cleaning
button for 10 seconds.
ESC OK
Hi Vacuum Unit
Time for
Service
Th 15:01
Reset OK

5.2.2 Warning! Fan Hi Temp
The fan is overheated. The temperature is greater than 125°C, and the filter cleaning valve
is open to cool the fan. When the Fan-temperature is below 90°C, the filter cleaning valve
closes and vacuum is reestablished again.
When the fan cooling function activates a timer start, which is shown in the display, if the
fan does not cool down when the timer elapses, the vacuum unit will stop and the Alarm
message, “Alarm Fan Hi Temp” is activated.
ESC OK
Warning!
Fan Hi Temp
Fan Cooling
Ac ti vated
Time To Stop
00:00 m
Time to Stop: Remaining time until L-Pak is stopped.
5.3 Alarm messages
When an Alarm is activated, Output Q4 and White lamp button “Filter Cleaning/ Test start”
flash with intervals, 1 second On/1 second Off. If an alarm is activated, the unit goes into
Off mode until the problem is corrected. Specific Alarm Motor Protector Activated, and
Alarm Fan Hi Temp are critical alarms and need to be Acknowledged by pressing ‘OK’
OK
.
Other Alarms such as Low Pressure CAS, Alarm Bin Level High and Alarm Filter Clogged are
not critical alarms and do not need to be Acknowledged.
If the flush valve function is chosen, it disconnects Output Q4 as a warning/Alarm signal
output. See section
6.5. Warning-Alarm output Q4.