Xylem LOWARA SEKAMATIK 50E Series Installation And Operation Instruction Manual page 15

Therefore, the direction of rotation of three-phase pumps
must always be checked if the cable between pump and
controller has been removed.
Green LED „Operation"
The green LED illuminates when the pump is operating.
Red LED „Alarm" and „Failure"
- Permanent Signal
The red Alarm-LED illuminates in case of to high liquid level
in tank. Together with the red LED, the built-in acoustic
alarm is activated if the switch in the front cover is in posi-
tion „On". Furthermore, the external fault signal device, if
fitted, is activated.
If the red Alarm-LED illuminates together with the green
LED, the pump operates, but the liquid level in the tank is
above the alarm level. The alarm is automatically reset
when the liquid level has been lowered below the alarm
level.
If the red LED illuminates together with the LED „Failure",
the pump was stopped by thermal cutout. In this case, push
the „Reset" switch. If the pump still does not work, please
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contact your service.
Red LED „Failure"
- Flash Signal
The Failure-LED flashes when the annual maintenance is
recommended after 2 months.
Deactivating of „Maintenance flash":
Set the operation switch in position „Aus/Off", then press
the „Reset"-button. After releasing „Reset" the LED „Alarm"
lights up for approx. 1 second. Within this time set the op-
eration switch in position „Auto". The flash light extinguish.
Reactivating of „Maintenance flash" (only possible by
using ServCom Service-Controller):
Reset the maintenance counter in the ServCom menu.
Subsequently set the operation switch in position „Aus/Off",
then press the „Reset"-button.
Note:
Deactivating „Maintenance flash" is possible starting from
version 1.0d of the pump control (see menu in ServCom).
„Maintenance flash" is deactivated, if „!" appears behind in
ServCom the version No;
„Maintenance flash" is activated, if „!" behind the version
No. is missing.
Red LED „Alarm"
- Flash Signal
The Alarm-LED flashes when the control unit has monitored
several pump operation circuits longer than 2 minutes
each. Please contact your
5.2.2. Twin station
The function selector offers the following functions:
Operation switch (one per pump)
Position „Manu"
The pump operates, irrespective of the liquid in the tank.
Position „Off"
The pump is stopped.
Position „Auto"
Automatic pump operation according to the liquid level in
the tank.
Acoustic alarm switch
Position „On"
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service.
The built-in acoustic alarm is activated. Together with the
LEDs "Alarm" and „Failure", the built-in acoustic alarm will
start if the liquid level is above the alarm level. The alarm is
automatically reset when the liquid level has been lowered
below the alarm level.
Position „Off"
The built-in acoustic alarm is not activated.
The controller front cover features Light-Emitting Diodes
(LEDs) for indication of operating conditions:
Green LED „Operation" (one per pump)
The green LED illuminates when the according pump is
operating.
Red LED „Failure"
- Permanent Signal
The Failure-LED illuminates in case of a thermal cutout of a
pump. Together with the Failure-LED, the Alarm LED illu-
minates and the built-in acoustic alarm is activated if the
switch in the front cover is in position „On". Furthermore,
the external fault signal device, if fitted, is activated. Auto-
matically the unit turns over to operation of the second
pump.
In this case push the „reset" switch. If the Failure-LED still
does not extinguish please contact your
Red LED „Failure Pump 1"
- Flash Signal
The Failure-LED flashes when the annual maintenance is
recommended after 2 months.
Deactivating of „Maintenance flash":
Set the operation switch pump 1 in position „Aus/Off", then
press the „Reset"-button. After releasing „Reset" the LED
„Alarm" lights up for approx. 1 second. Within this time set
the operation switch pump 1 in position „Auto". The flash
light of „Failure Pump 2" extinguish.
Reactivating of „Maintenance flash" (only possible by
using ServCom Service-Controller):
Reset the maintenance counter in the ServCom menu.
Subsequently set the operation switch in position „Aus/Off",
then press the „Reset"-button.
Note:
Deactivating „Maintenance flash" is possible starting from
version 1.0d of the pump control (see menu in ServCom).
„Maintenance flash" is deactivated, if „!" appears behind in
ServCom the version No;
„Maintenance flash" is activated, if „!" behind the version
No. is missing.
Red LED „Failure Pump 2"
- Flash Signal
The Failure-LED flashes when the control unit has moni-
tored several pump operation circuits longer than 2 minutes
each. Please contact your
Red LED „Alarm"
- Permanent Signal
The red LED illuminates in case of to high liquid level in
tank. Together with the red LED, the built-in acoustic alarm
is activated if the switch in the front cover is in position
„On". Furthermore, the external fault signal device, if fitted,
is activated.
If the red LED illuminates together with the two green LEDs
the pumps are operating, but the liquid level in the tank is
above the alarm level. The alarm is automatically reset
15
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service.
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service.