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8.4.2 Output module fuse replacement
I
Turn off the external output power supply.
I
Turn off the PC power supply.
I
,Fuse
Remove the output unit from the base unit.
I
Remove the fuse from the fuse sacket.
I
I
Fit new fuse into the fuse socket.
Fuse socket
,
1
Replace t h e output unit inthe base unit.
Output unit
f(Examp1e: AY22)
1
Turn on theexternal output power supply.
1
Turn on the PC power suuply.
I
Move the CPU switch to RUN.
1
Check status of M9000.
ON
Check location of blownoutput fuses using
the bit mapsgiven in D9100 to D9107 (See
Section 3.2.3 (2)).