Quick User Manual
5 Troubleshooting
39
Code
Specification
Troubleshooting
203
The PV input voltage exceeds the
bus voltage.
Check the functionality of the PV
connection terminals.
204
PV1 boost short-circuit fault
The inverter may be damaged.
Contact SUNGROW for a solution.
205
PV2 boost short-circuit fault
300 INV
over-temperature fault.
1. Check and clean the heat sink.
2. Check whether the inverter is
installed in sunlight or the ambient
temperature of the enclosure
exceeds 45
℃
-60
℃
.
3. Restart the system.
302
PV insulation resistance fault.
1. Check whether the PV cable
connection is intact.
3. Wait for a sunny day to check
whether the system can run well.
308
Slave DSP redundant fault.
Restart the system.
309
Phase voltage sampling fault.
312
DC injection sampling fault.
315
PV1 current sampling fault.
316
PV2 current sampling fault.
317
PV1 MPPT current sampling fault.
318
PV2 MPPT current sampling fault.
319
System power supply failure
fault.
320
Leakage current CT self-check
fault.
321
SPI communication failure.
Communication faults between
the master DSP and the slave
DSP.
322
Master DSP communication fault.
401-
408
Permanent faults.
409
All temperature sensors failed
fault.
Forced restart the system.
501 FRAM1
reading
warning.
1. Inverter can normally be
connected to the grid.
2. Restart the system.
503-
506,
511
Temperature sensor warnings.
507
Error alarm of DO power settings.
Modify the DO control power
according to the load power. Refer
to “
Optimized Control
” in section
10.7.7 in the User Manual.
509
Clock reset fault.
Manually reset the clock or
synchronize the clock with the
network time. This will clear the
Summary of Contents for SH5K
Page 1: ...SH5K QUEN Ver14 201708 Version 1 4 Quick User Manual SH5K Grid Connected Hybrid Inverter ...
Page 2: ......
Page 4: ...II System Overview ...
Page 5: ...III ...
Page 6: ...IV ...
Page 7: ...V ...
Page 8: ...VI ...
Page 9: ...VII ...
Page 10: ...VIII ...
Page 32: ...3 Commissioning Quick User Manual 20 Fig 3 2 Initial Settings ...