Sungrow SG2K5TL-S, User Manual

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9 Troubleshooting and Maintenance User Manual
58
Fault
Code
Description Troubleshooting
057
Auxiliary DSP AC current
sampling channel
anomaly 1. Wait a moment for inverter recovery.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept..
058
Auxiliary DSP detects AC
current DC injection
exceeds inverter set
protection range
1. Wait a moment for inverter recovery.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept..
059
Main and auxiliary DSP
communication anomaly
1. Wait a moment for inverter recovery.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept..
060
Main and auxiliary DSP
sampling difference
1. Wait a moment for inverter recovery.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept..
070 Fans are defective
Stop the inverter and disconnect the AC & DC
cables. Check whether the fan duct has been
blocked. If not, replace fans.
087
Arc self-detection
anomaly warn Wait a while. Contact Sungrow if device is still
in self-detection warn state.
088 Arc anomaly fault
1. Stop the inverter and disconnect the AC &
DC cables. Check cable connection for aging
and looseness. Re-power on and remove the
arc warn manually.
2. Contact Sungrow if this fault still occurs.
089 Arc detection OFF warn
Remove the warn by enable arc detection
function or keep the warn by closing arc
detection function.
100
The AC output current
exceeds inverter
protection limit.
1. The inverter will resume if the output current
falls below the protection value.
2. If the fault still exists, please contact
Sungrow Service Dept..
101
The grid frequency
exceeds inverter
allowable upper limit.
1. Check the grid frequency.
2. If the grid frequency exceeds the permissible
range of inverter protection parameters, ask
utility grid company for solution.
3. If the grid frequency is within the permissible
range, contact Sungrow Service Dept..
102
The grid frequency is
below the inverter
allowable lower limit.
106
The inverter is not
grounded
Check whether there is a reliable inverter
grounding line, if there is access to the ground,
and the fault still exists, please contact
Sungrow Service Dept..
200 The bus voltage is high.
1. Wait for inverter recovery after bus voltage
lower.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept..