Grid Fault; Insulation Failure On The Solar Generator - Conergy IPG Serie Instrucciones De Servicio

7 Faults
7.2.1
7.2.2
50

Grid fault

The device is switched back on when the reason for the fault is no
longer present.
Cause
Grid fuse faulty
Grid cabling to the central
inverter faulty
Wrong rotary field
Disconnector at grid feed-in
point is defective
Grid voltage or frequency out of
tolerance
Grid synchronisation faulty due
to faults in the grid voltage
Grid impedance too high

Insulation failure on the solar generator

If the resistance in the generator array becomes too low, the earth
fault monitoring system ensures that the central inverter displays a
warning. The LED indicator SG flashes.
ON SG
Cause
Insulation fault
Operating manual
Remedy
Check the grid fuse and replace
if necessary
Check grid cabling
Check rotary field
Check disconnector and replace
if necessary
Adjusts itself automatically
Adjusts itself automatically
Adjusts itself automatically
GRID FAULT
Remedy
| Check insulation resistance
| Establish and rectify the cause
of the insulation fault
Conergy IPG series central inverter