
Installation and Operation Guide SOLECTRIA PVI 25TL-480-R
DOCR-071030-A (11/17/2020)
Page 78 of 101
If a fire has escaped the inverter enclosure – notify 911 immediately.
Turn OFF the AC feed breaker as soon as possible/safe.
If safe but conditions are deteriorating, consider:
o
Using the fire extinguisher.
o
Cutting the string conductors – one cable at a time with insulated cutters (while wearing appropriate
PPE).
Monitor conditions until low irradiation ~30min prior to sunset. If safe, turn OFF AC and DC switches on the
inverter and proceed with normal troubleshooting procedures listed in Table 6-1.
Table 6-1 Fault Codes and Recommended Solutions
FAULT CODE
EXPLANATION
ALARM
1.CommErr
Definition:
Communication inside inverter failed
Possible causes:
Terminal block connecters of internal communication wires have poor
contact
Recommended solutions:
1.Observe for 5 minutes and see whether the alarm will be eliminated
automatically;
2.Switch off 3-phase working power supply and then reboot the
system;
3.Contact after-sales service personnel
2.ExtFanErr
Definition:
Cooling fan failure
Possible causes:
1.Fan is blocked;
2.Fan service life has expired;
3. Fan socket connecter has poor contact.
Recommended solutions: