1 Safety Instructions
User Manual
4
Maintenance and Service
There is a risk of inverter damage or personnel injury due to incorrect
service work!
Always keep in mind that the inverter is power supplied by dual power
source: PV arrays and utility grid.
Before any service work, you should obey the following procedures.
y
Disconnect inverter from the utility grid side first and then PV arrays;
y
Wait at least ten minutes until the inner capacitors discharge completely;
y
Verify that no voltage and current present with appropriate testing
device.
Keep unrelated person away!
A temporary warning sign and barrier must be posted to keep non-related
person away for any period while performing electrical connection and
service work.
y
Any malfunction that may impair the inverter safety functions must be
repaired immediately before the inverter is restarted again.
y
Inverter contains no owner serviceable parts inside. Please contact local
authorized personnel if any service work is required.
Servicing of the device in accordance with the manual should never be
undertaken in the absence of proper tools, test equipment or more
recent revision of the manual which is clearly and thoroughly
understood.
