User manual

Table Of Contents
Event message
Cause Remedy
Type No. Text
Warning
55 Bat. sense
open
The line compensation
has been manually
switched on but the
controller has not
detected a battery
voltage.
Check the following points:
n Battery voltage sensor cable
correctly connected?
n Open-circuit in sensor cable?
n Sensor cable fuse/breaker
blown/triggered?
Warning
56 Bat. sense
wrong
polarity
The battery voltage
sensor cable has been
connected with the
incorrect polarity.
Connect the battery voltage
sensor cable with the correct
polarity.
Warning
57 Ext. Bat.
sense short
A short-circuit exists in
the battery voltage
sensor cable.
Check the following points:
n Battery voltage sensor cable
correctly connected?
n Short-circuit in sensor cable?
Warning
58 PV 1
wrong
polarity
The module at
connection M1 is
connected with the
wrong polarity.
Take the following measures:
1. Switch off the DC load circuit
breaker (solar module) and
secure it against being switched
on again. With 2 solar modules,
switch off both DC load circuit
breakers.
2. Disconnect module 1.
3. Check the polarity.
4. Connect module 1 with the
correct polarity.
Warning
59 PV 2
wrong
polarity
The module at
connection M2 is
connected with the
wrong polarity.
Take the following measures:
1. Switch off the DC load circuit
breaker (solar module) and
secure it against being switched
on again. With 2 solar modules,
switch off both DC load circuit
breakers.
2. Disconnect module 2.
3. Check the polarity.
4. Connect module 2 with the
correct polarity.
Error
70 PV 1 voltage
too high
The module voltage at
connection M1 (solar
module 1) is too high.
Check the installation and
design.
Error
71 PV 2 voltage
too high
The module voltage at
connection M2 (solar
module 2) is too high.
Check the installation and
design.
756.404 | Z01 | 16.06
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