Sungrow SG2K-S Quick User Manual

Quick User Manual 6 Troubleshooting
25
Code
Description
Troubleshooting
106
The inverter is not
grounded.
Neither the PE terminal
on the AC connection
block nor the second
PE terminal on the
enclosure is reliably
connected.
Check whether there is a reliable inverter
grounding line, if there is access to the
ground, and the fault persists, please
contact Sungrow Service Dept.
200
Bus hardware
over-voltage fault.
The bus voltage
exceeds the protective
value.
1. Wait for inverter recovery after bus
voltage lower.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept.
201
The bus voltage is too
low.
1. Wait a moment for inverter recovery.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept.
202
PV hardware
over-current fault.
The PV1 or PV2
current exceeds the
protective value.
If the fault occurs repeatedly, contact
Sungrow Service Dept.
203
The PV input voltage
exceeds the bus
voltage.
Check the functionality of the PV connection
terminals.
306
Input and output power
mismatching fault.
If the fault occurs repeatedly, contact
Sungrow Service Dept.
315
PV1 current sampling
fault.
Channel sampling anomaly.
Contact Sungrow Service Dept.
316
PV2 current sampling
fault.
320
Leakage current
sensor
fault.
Contact Sungrow Service Dept.
409
Both the ambient
temperature sensor
and the radiator
temperature sensor
fail.
If the fault occurs repeatedly, contact
Sungrow Service Dept.
503
Ambient temperature
sensor open circuit
warning.
504
Ambient temperature
sensor short circuit
warning.
505
Radiator temperature
sensor open circuit
warning.

Sungrow SG2K-S Specifications

General

Brand	Sungrow
Model	SG2K-S
Category	Inverter
Language	English