Lorentz PSk Series User Manual

v140822
Sun. Water. Life.
BERNT LORENTZ GmbH & Co. KG Kroegerskoppel 7, 24558 Henstedt-Ulzburg, Germany, Tel. +49 (0) 4193 7548 - 0, Fax - 29, www.lorentz.de
All specifi cations 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.
20
5 Fault Diagnosis
5.1 Fault Code Description and Countermeasure
LORENTZ PSk series of solar pumping Controller have vari-
ous protection routines to ensure the controller and other
parts of the installation are not damaged when a fault
occurs. As a general protection measure the driving signal
output of the motor is stopped (breakaway) immediately
while restart is forbidden for a certain period of time.
The controller will automatically switch to the fault display
when an error occurs. The fault code will be displayed in
the last two digits and flash. If the first digit displays “P”,
this means protection measures have been taken and the
controller is reset. Disconntect controller from power and
wait until the capacitators have fully discharged. This will
be indicated by the display switching off. Then reconnect.
Alternatively, press the [RESET] key to reset. If the fault
still persists after resetting, please contact the manufac-
turer and make relevant processing.
After the fault or protection to be reset is eliminated, the
controller will conduct automatically a time-delayed restart.
At this time the fault number will appear in the first and
second digit of the numeric display. The last several digits
will display the countdown of the restart, when the count-
down is”0”, fault display unit will disap-pear automatically
and operating status data will be displayed.
Error Code Error Possible Reason Countermeasures
overvoltage too high input voltage inspect PV module voltage
undervoltage
too low input voltage
sunlight too weak
inspect PV module voltage
overcurrent
too large pump load
low PV module voltage
too long motor wiring
check if pump and motor are
assembled correctly and no
dirt has accumulated inside
pump
change low-power pump load
inspect PV module voltage
shorten the cable between
controller and motor
overload too large load
reduce the highest operating
frequency
overcurrent of the module
shorted output or grounding
module damaged
inspect the connection
turn to manufacturer for
service
overtemperature of the
module
air duct blocked
too high ambient tempera-
ture
clear the air duct or improve
the ventilation condition
AC CT fault device or circuit damaged
contact manufacturer for
service
DC CT fault device or circuit damaged
contact manufacturer for
service
data record fault device or circuit damaged device or circuit damaged
communication fault device or circuit damaged
reset, press “MODE” and
“down” at the same time to
load the default settings
device or circuit damaged
idle load
indicates that pump has
been running when water
source is low, pump wire has
been disconnected or pump
does not match inverter
inspect water level, wire
connection and whether the
power of pump matches the
capacity of the inverter

Lorentz PSk Series Specifications

General

Brand	Lorentz
Model	PSk Series
Category	Water Pump
Language	English