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Installation and Operation Manual for Inverter RPI M50A_12s V1 EU EN 2017-03-09
10 Error events and troubleshooting
10. Error events and troubleshooting
DANGER
Electrical shock
Potentially fatal voltage is applied to the inverter
during operation. When the inverter is discon-
nected from all power sources, this voltage
remains in the inverter for up to 10 seconds.
Therefore, always carry out the following steps
before working on the inverter:
1. Turn the AC/DC disconnector to the
OFF
position.
2. Disconnect the inverter from all AC and DC
voltage sources and make sure that none
of the connections can be accidentally
restored.
3. Wait for at least 10 seconds until the internal
capacitors have discharged.
DANGER
Electrical shock
Potentially fatal voltage is present at the invert-
er's DC connections. When light falls on the solar
modules, they immediately start to generate
electricity. This also happens when light does not
fall directly on the solar modules.
► Never disconnect the inverter from the solar
modules when it is under load.
► Turn the AC/DC disconnector to the
OFF
position.
► Disconnect the connection to the grid so that
the inverter cannot supply energy to the grid.
► Disconnect the inverter from all AC and DC
voltage sources. Ensure that none of the con-
nections can be restored accidentally.
► Ensure that the DC cables cannot be touched
accidentally.
WARNING
Heavy weight
The inverter is very heavy.
► The inverter must be lifted and carried by
at least 3 people or using appropriate lifting
gear.
Only Delta Customer Service is permitted to
perform repair work and replace inverter compo-
nents.
Exceptions:
► Replacing the fans.
► Cleaning the air inlets/outlets.
Failure to adhere to this requirement will invali-
date the warranty.
The Delta Customer Service contact information
for your country is provided on the last page of
this document.
