6 Troubleshooting
Code
Description
Radiator
506
sensor
warning.
External
501
reading/writing
warning.
Abnormal
communication
warning
514
Sungrow Meter.
(Inverter
normally connected to
the grid.)
26
Troubleshooting
temperature
short
circuit
1. Inverter can normally be connected to the
memory
grid.
2. Power on the inverter again. If the fault
persists, contact Sungrow Service Dept.
1.
of
the
connections of the meter are correct.
2. Check whether the RS485 connection is
can
be
correct.
Check
whether
Quick User Manual
the
power
cable