Error
Cause and corrective measure
The MV transformer cannot
be reconnected.
The MV transformer is defective.
Corrective measures:
• Replace the MV transformer. Contact the Service (see Section 17, page 256).
There is air in the MV transformer.
Corrective measures:
• Check the protective devices.
• Ensure that no air is in the MV transformer.
• Refill the oil.
The MV transformer is too warm.
Corrective measures:
• Read off the temperature of the MV transformer from the contact thermometer.
• Allow the MV transformer to cool down.
• If the error reoccurs, contact the Service (see Section 17, page 256).
The relay in the station subdistribution is not working properly.
Corrective measures:
• Ensure that the relay in the station subdistribution is correctly functioning.
• Ensure that the cabling of the relay is intact.
9.3
Troubleshooting in the Inverter
9.3.1
Activating Alert in the Event of a Fault
You can be notified by e-mail of events that have occurred. This allows a rapid response to failures in the PV power
plant and minimizes downtimes. The alert is deactivated upon delivery.
Communication unit reports an error-type event after two averaging intervals
The communication unit reports error-type events which have persisted twice as long as the time set for averaging.
Example: If the averaging setting is 15 minutes, the communication unit will report an error once it has existed for
longer than 30 minutes.
Procedure:
1. Log into the user interface (see Section 12.8.1, page 177).
2. Select
Sunny Central > Settings > Data transmission
.
3. In the field
Notification active
, select
yes
.
4. Select an option in the field
Multiple Notices (24h/48h)
:
Option
Explanation
yes
You will receive an e-mail immediately upon occurrence of an event. If the event
persists after 24 hours and 48 hours, the e-mail will be sent again.
no
You will receive an e-mail once when an event occurs. An e-mail with error-type
events is sent after two averaging intervals.
5. In the field
E-mail address
, enter the e-mail address. If an e-mail is to be sent to multiple e-mail addresses,
separate the e-mail addresses with commas.
9 Troubleshooting
SMA Solar Technology AG
System Manual
MVPS22JP-SH-en-11
118
Summary of Contents for 1000-1SC
Page 257: ......
