Sungrow SG4950HV-MV, System Manual

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88
F Fa au ulltt n na am me e
E Exxp plla an na attiio on n F Fa au ulltt sse evve erriittyy
M Me ea assu urre ess
Trans-oil-T trip
The temperature in
the oil tank of the
transformer is
abnormal, and
tripping occurs.
Major Contact Sungrow.
Pressure release
valve trip
The pressure relief
valve of the
transformer is
faulty.
Major Contact Sungrow.
Low oil level trip
The oil level of the
transformer is
excessively low,
and tripping occurs.
Major Contact Sungrow.
Heavy gas trip
The gas is
excessively high,
and tripping occurs.
Major Contact Sungrow.
Trans-oil-T-alarm
The temperature in
the oil tank of the
transformer is
abnormal, and an
alarm is triggered.
Minor
Contact Sungrow.
Heavy gas alarm
The gas is
excessively high,
and an alarm is
triggered.
Minor
Contact Sungrow.
Pressure release
valve alarm
The pressure relief
valve of the
transformer sends
alarm signals.
Minor
Contact Sungrow.
Low oil level alarm
The oil level of the
transformer is
excessively low,
and an alarm is
triggered.
Minor
Contact Sungrow.
Note: For more troubleshooting information of the MV transformer, refer to the enclosed
manual.
11 Troubleshooting System Manual