BERNT LORENTZ GmbH
Siebenstücken 24, 24558 Henstedt-Ulzburg, Germany,
Tel (+49) 0 4193 8806-700, www.lorentz.de
All specifications and information are given with good intent, errors are possible and products may be subject to change without notice.
Pictures may differ from actual products depending on local market requirements and regulations.
Guide for troubleshooting for PS2 pump controller
and go into the “Operational Settings” section. Deactivate the “Pump OFF”
checkbox in the section “Pump Speed” to run the pump system again.
The Pump System stops because the measured irradiation value is below the
set min. irradiation value in Installation Settings. Check whether the value in
PumpScanner is correct. After the irradiation raises the pump will start
automatically. Additionally, check whether the SunSensor has been scanned
properly for more precise values.
If the values in PumpScanner are showing invalid data, check the sensor and
wiring. The voltage of the SunSensor should be at roughly 10 V (open circuit –
disconnect from the controller). Replace the IO-Board if there are no failures on
wiring or the sensor. If the values are still incorrect replace the SunSensor and
its wiring.
Pressure / liquid
level switch
The pump system is stopped because of the settings in the activated feature
“Control Pump by Pressure” or ”Control Pump by Level Sensor”.
Check the value of the sensor using PumpScanner and compare it with the real
situation. If the value is not reasonable, follow the step-by-step guide in chapter
0 on page 26 to identify whether the wrong value is generated by the sensor or
by the controller.
Constant pressure /
flow control
The pump system is stopped because of the settings in the activated feature
“Constant pressure with min. pressure” or ”Constant flow with min. flow”.
Check the value of the sensor using PumpScanner and compare it with the real
situation. If the value is not reasonable, follow the step-by-step guide in chapter
0 on page 26 to identify whether the wrong value is generated by the sensor or
by the controller.
The pump is off because the daily amount of the pumped water is reached.
The daily amount will be reset at the set value.
Change or deactivate this setting in the section Feature Settings – Control Pump
by Water Meter – Daily Amount if necessary.
Input voltage level is too low. The controller stops to prevent harm on the
battery. The controller will start automatically after the input voltage raised to a
higher level.
If no battery has been used for this controller deactivate the “Battery Mode in
the Installation Settings”
The pump system stops because of the set timer. Deactivate the timer to run
the system again (Operational Settings).
To synchronize the internal clock of the controller go into the installation
settings (tap “Synchronize Clock” and “save”).
The controller stops because of a too low power input. The controller is not
able to reach the min speed. This is a normal behavior in the morning and in the
evening.
The pump will try to restart after 4 minutes.
If the irradiation is obviously high enough for a successful start, check the PV
Generator and wiring.
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