VOLTWERK VS 3 Instrucciones De Servicio página 123

8 Help in the case of faults
Fault indicator
GRID FAULT
SOFTWARE
INT ELECTRONICS
INT FAULT
a)
Fault indicator for TN grids only
b)
During infeed, the mains voltage increases so much that the inverter's shut-down thresholds are exceeded. A static meas-
urement cannot reproduce the fault because it only occurs during infeed.
60
Possible cause
| Grid power outage
| Mains plug installed in-
correctly
| Faulty software due to
faulty software update
| Faulty electronics
| Electronics fault
Operating manual
Possible fault rectification
| Check installation and con-
nector pin assignment (see
chapter 5.2, page 30)
| Check AC fuse
| Check grid phase load
| Controlling mains voltage
| Reduce the length of the AC
cable or increase the AC cable
section
| Perform software update
again. During the software up-
date, do not disconnect the in-
verter from the grid, computer
or solar generator. Perform the
software update only if there is
constant and sufficiently high
irradiation (at least 500 W).
| Contact the manufacturer's
service centre (contact infor-
mation on the back of the
manual).
| Restart the device. If the fault
continues, contact the manu-
facturer's service centre (con-
tact information on the back of
the manual).
Voltwerk VS 3, 4, 5