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.
products (as well as replacement boards) will not just avoid unnecessary site visits it will also
speed up the troubleshooting process: The faulty component in a pump system can be identified
much faster if a spare component is available for instant cross-checks.
An example:
PumpScanner actual data shows “Motor Control Error” –> A cause for this have its origin in a
fault in PV/Controller/Pump Unit. With a spare motor available on site it is easy to determine
whether the problem comes from the pump unit or the controller. If the spare motor (connected
to the controller directly):
• … is running, it is more likely that there is a problem with the pump unit
• … is not running, the issue seems to be located at the PV or the controller…
Long story short:
Being well prepared for an on-site troubleshooting will save time and money. How to conduct
the troubleshooting in detail will be explained in the following chapters.
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