Maintenance/Troubleshooting
Page Operating Instructions for Powador -_EN
Authorised electrician
Figure : Removing the fan cover
Removing the fans
Disconnect the fan from all power sources and wait until the fan no longer turns.
Disconnect the fan plug.
Loosen four screws on housing oor.
» Fan can be removed along with cover (see Figure ). Clean the fan with a soft brush or moist cloth.
Install fan after cleaning.
. Shutting down for maintenance and troubleshooting
DANGER
Lethal voltages are still present in the terminals and cables of the inverter even after the
inverter has been switched o and disconnected.
Severe injuries or death may occur if the cables and terminals in the inverter are touched.
Only authorised electricians who are approved by the supply grid operator may open and maintain
the inverter.
› Observe all safety regulations and the currently applicable technical connection speci cations of
the responsible power supply company.
› Disconnect the AC and DC sides.
› Secure the AC and DC sides from being inadvertently switched back on.
› Do not open the inverter until after these two steps are complete.
› After shutdown, wait at least minutes before working on the inverter.
CAUTION
Destruction of the DC connection
The connection terminals can be destroyed by arcing if disconnected while still live.
› It is essential that the shutdown sequence is carried out in the correct order.
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