ALLEN & HEATH ML5000, Service Manual

Page: 34 / 135

ML5000 Service Manual
33
Servicing the MPS14 Power Supply
Cleaning and Replacing the fan filters.
At regular intervals, it is recommended that the foam fan filters are cleaned or replaced to ensure efficient
operation of the power unit. Failure to do so may reduce the efficiency or even damage the power unit.
To remove the fan filters, switch off and disconnect all power to the MPS14. Remove the rack ears and place to
one side. Remove the cover fixing screws and cover and place to one side.
The foam fan filters can now be removed by simply sliding out of the slots.
Either clean or fit new filters depending on their condition.
Replace the filters and reassemble the power unit. Check the fans are running unobstructed before completely
re-installing.
Replacing the mains fuse
The AC mains fuse is located on the rear of the MPS14 unit next to the AC mains connector. In the event of a
mains surge or under-rated fuse value, the mains input fuse will rupture. Switch off the power supply and remove
the mains lead plug from the “MAINS INPUT” socket on the rear of the unit.
Check the fuse and replace if necessary.
TO AVOID THE RISK OF FIRE REPLACE FUSE WITH THE CORRECT TYPE
ONLY, AS INDICATED ON THE UNIT
AC~ mains input voltage Fuse type
100V – 230V ± 10% T 5A 250V 20mm
In the event of repeated failure of the mains fuse, consult the local dealer from where the unit was purchased.