Sungrow SG2K-S Manual De Usuario Rápido página 27

Quick User Manual
Code Description
The
037 temperature of inverter
is too high.
Relay fault on the grid
038
side.
The
039 resistance
(ISO-flt)
Leakage
041
sampling fault.
Inner
under-temperature
fault.
043
The
temperature inside the
inverter is too low.
Open-loop
044
self-test fault.
045 PV1 boost circuit fault.
046 PV2 boost circuit fault.
Phase
048
sampling fault.
The slave DSP detects
that the grid voltage
053
exceeds the protective
value.
Troubleshooting
moment for inverter recovery.
2. Check whether there is enough space for
convection.
3. Check whether the inverter is in direct
internal
sunlight.
4. Check whether the fan is normal.
Replace it if necessary.
5. Clean the air inlets.
6. If the fault persists, please contact
Sungrow.
1. Wait a moment for inverter recovery.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept.
1. Check whether there is a reliable inverter
grounding line.
2. Check whether the positive and negative
insulation
of PV panels is short-circuited with ground
is low.
lead.
3. Wait a moment for inverter recovery.
4. If the fault occurs repeatedly, contact
Sungrow Service Dept.
1. Wait a moment for inverter recovery.
current
2. If the fault occurs repeatedly, contact
Sungrow Service Dept.
The inverter will recover once the ambient
ambient
temperature rises above -25℃.
inverter
1. Wait a moment for inverter recovery.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept.
current
1. Check the grid voltage.
2. If the
permissible range of inverter protection
parameters, ask utility grid company for
solution.
3. If the grid voltage is within the permissible
range, contact Sungrow Service Dept.
6 Troubleshooting
grid voltage exceeds the
23