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8 Maintenance
This chapter describes routine maintenance and troubleshooting practices that ensure optimal
performance of the SUN2000.
8.1 Powering Off the SUN2000
Comply with the safety precautions and operation procedures specified in this section when
powering off the SUN2000 for maintenance or replacement.
Context
After the SUN2000 has shut down, residual electricity and heat may still cause electrical
shock and body burns. Therefore, only begin servicing the SUN2000 five minutes later after
shutting down.
Procedure
To maintain the SUN2000, perform a to c. To replace the SUN2000, perform a to g.
a. Enter the shutdown command on the LCD.
For details, see 7.2.12 Manually Starting and Shutting down the SUN2000.
A shutdown command can also be run from the element management system (EMS).
For details, see the NetEco 1000S V100R002C00 User Manual.
b. Switch off the circuit breaker between the SUN2000 and the power grid.
c. Set the DC SWITCH to OFF.
d. Disconnect the RS485 communications cables.
e. Disconnect the DC input power cables.
For details, see Follow-up Procedure in 5.3 Connecting DC Input Power Cables.
f. Disconnect the AC output power cables.
For details, see Follow-up Procedure in 5.2 Connecting AC Output Power Cables.
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