Sungrow EMS200 - Troubleshooting; Overview and Information Gathering; Alarm Diagnosis and Measures

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