Schaffner ECOsine, Maintenance Manual

Page: 27 / 66

ECOsine
®
active Harmonic Filters
– Maintenance Manual for FN3420-200-690-3 27
Check with parameter group P1XX Measured
values / No. 183 Enclosure fan 4, Check the
speed (rpm) of fan 3.
I
n case rpm stays on “0” , then replace it
according to the instruction <<Replace DC-
LINK fan>>
Tips: for main fan only do physically check if
you feel some moving air
Switch off the device on Main Switch,
disconnect from the grid and ensure that
thecapacitors are discharged before starting
to work on the device.
Unlock the cabinet by key