ABB Fimer PVS980-58-1818kVA-I, Commissioning And Maintenance Manual, Page: 38 / 62

36 Maintenance
Cabinet

Cleaning the cabinet
WARNING! Obey the safety instructions, page
5
. If you ignore the
instructions, physical injury or death, or damage to the equipment can
occur.
WARNING! Use a vacuum cleaner with an antistatic hose and nozzle. Using a
normal vacuum cleaner creates static discharges which can damage the sensitive
components.
1. Stop the inverter and do the steps in
Electrical safety
on page
6
before you start the
work.
2. Clean the interior of the cabinet with a soft brush and a vacuum cleaner, if needed.
3. Clean the air inlets and outlets of the fans.
4. Examine the air inlet grilles of the cabinet. Replace them when it is necessary.

Cleaning the cooling air intake grilles
WARNING! Obey the safety instructions, page
5
. If you ignore the
instructions, physical injury or death, or damage to the equipment can
occur.
1. Stop the inverter and do the steps in
Electrical safety
on page
6
before you start the
work.
2. Remove the grilles one by one.
3. Clean the grilles with a vacuum cleaner. Do not use a pressure washer or pressurized
air.
4. Wipe the grilles clean and let them dry.
5. Check the cooling channel and clean if necessary.
6. Re-install the grilles.