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
The resistance/isolation values should be above 1 MΩ.
After the test has been performed reconnect the ribbon cable and reinstall the LED-Board
properly.
• First step: check whether there is a short
circuit between the (+) terminal and L1,
L2 or L3 (check proper polarity).
• Second step:
o contact the measuring tip to the right
MOSFET-leg (T7 – upper row left
MOSFET)
o check whether there is a short circuit
between the right MOSFET and L1, L2
or L3 (check proper polarity).
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