Troubleshooting - Omnik Omniksol-1k-TL2 User Manual

9.

Troubleshooting

LCD display
Isolation Fault
Current Fault
Master Grid Freq Fault
Master Grid Volt Fault
Over Temp Fault
PV Voltage Fault
ENS Grid Voltage Fault
ENS Grid Freq Fault
Relay1 Fault
Relay2 Fault
Current DC Offset
Eeprom Fault
Hole Sense Device Fault
GFCI Device Fault
46
1. Check the impedance between PV (+) & PV (-) and the
2. Check whether the AC-side has contacts with earth.
1. The ground current is too high.
2. After cut off the AC side connection, unplug the inputs
3. After the cause is cleared, re-plug the PV panel and AC
1. Wait for a moment, if the grid returns to normal, PV-
2. Make sure grid voltage and frequency meet the
1. Grid is not connected.
2. Check grid connection cables.
No Utility
3. Check grid usability.
4. If grid is ok, and the problem persists, maybe the fuse in
1. The internal temperature is higher than specified normal
2. Find a way to reduce the ambient temperature.
3. Or move the inverter to a cooler environment.
1. Check the open PV voltage; see if it is greater than or too
2. If PV voltage is less than 500VDC, and the problem still
1. Disconnect ALL PV (+) or PV (-).
2. Wait for a few seconds.
3. After the LCD switches off, reconnect and check again.
4. If the problems remain please call local service.
SCI Lose
Possible actions
inverter is earthed. The impedance must be greater than
2M.
from the PV generator and check the peripheral AC
system.
connection, and check PV-Inverter status.
Inverter automatically restarts.
specifications.
the inverter is open, please call service.
value.
close to 500VDC (for Omniksol-1k-TL2, Omniksol-1.5k-
TL2, Omniksol-2k-TL2, Omniksol-2.5k-TL2-S or
Omniksol-3k-TL2-S).
occurs, please call local service.
Disconnect PV (+) or PV (-) from the input, restart the
inverter.