Troubleshooting; Overview; Alarm Diagnosis; Alarm Information On Power Conversion System (Pcs) - Sungrow EMS200 User Manual

10 Troubleshooting

10.1

Overview

The common faults and troubleshooting are shown in the table below. If
problems cannot be resolved according to this manual, please contact us. We
need the following information in order to provide you with better assistance.

The SN, the manufacture date, and the software version of the local
controller

The manufacturers, the models, and the configuration information of the
devices connected to the local controller

Brief fault description

Pictures of the fault site
The ground cable must be grounded well, otherwise,
Fatal electric shock may occur to the operators!
10.2

Alarm Diagnosis

10.2.1 Alarm Information on Power Conversion System (PCS)

Alarm
PCS
Fault/Alarm/EMGStop
PCS Comm
Alarm
Possible causes
1. A fault or an alarm
occurs.
2. An emergency stop
occurs on the PCS.
Communication between
Fault
the PCS and the local
controller failed.
Measures
1. Troubleshoot the PCS
according to the
manual.
2. Check whether the PCS
is in emergency stop state.
1. Check whether
communication connection
between the PCS and the
local controller is firmly in
place.
PCS
the
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