Time For Service; Warning! Fan Hi Temp; Alarm Messages - Nederman L-PAK Series Manual

EN L-PAK 150/250 Standard
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.
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.
Warning!
Fan Hi Temp
Fan Cooling
Activated
Time To Stop
00:00 m
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'
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.
10
ESC OK
Time to Stop: Remaining time until L-Pak is stopped.
ESC OK
.
OK