Troubleshooting And Maintenance; Troubleshooting - Sungrow SG5KTL-MT User Manual

Troubleshooting and Maintenance

9

9.1 Troubleshooting

When an alarm occurs, the alarm information can be viewed through the App.
Alarm ID and corrective measures are as follows:
D D e e s s c c r r i i p p t t i i o o n n
A A l l a a r r m m I I D D
Grid overvoltage
The grid voltage
002
exceeds the specified
protection value.
Grid transient
overvoltage
The transient grid
003
voltage exceeds the
specified protection
value.
Grid undervoltage
The grid voltage is
004
below the specified
protection value
54
C C o o r r r r e e c c t t i i v v e e M M e e a a s s u u r r e e s s
Generally, the inverter will be reconnected to
the grid after the grid recovers. If the alarm
occurs frequently:
1. Measure the grid voltage, and contact the
local utility grid company for solutions if the
grid voltage exceeds the specified value.
2. Check, through the App, whether the
protection parameters are appropriately set.
3. Check whether the cross-sectional area of
the AC cable meets the requirement.
4. If the alarm persists, contact SUNGROW.
Generally, the inverter will be reconnected to
the grid after the grid recovers. If the alarm
occurs frequently, contact SUNGROW.
Generally, the inverter will be reconnected to
the grid after the grid recovers. If the alarm
occurs frequently:
1. Measure the grid voltage, and contact the
local utility grid company for solutions if the
grid voltage is below the specified value.
2. Check, through the App, whether the
protection parameters are appropriately set.
3. Check whether the AC cable is firmly in
place.
4. If the alarm persists, contact SUNGROW.