Troubleshooting
7-13
TI545/TI555 System Manual
8. Turn
off power to the power supply module.
9. T
urn the fuse cap counterclockwise a half-turn with a standard
screwdriver.
10.
Pull the fuse cap out of the fuse socket.
11.
Remove and replace fuse.
NOTE:
PPX:505–6660A requires a 3 A, 250 V, slow-blow fuse. PPX:505–6663
requires an 8 A, 250 V
, normal-blow fuse.
12.
Place the fuse cap in socket and turn it clockwise with a standard
screwdriver.
Fuse
Cap
Front Bezel
Fuse
Figure 7-2 Replacing
PPX:505–6660 Power Supply Fuse
13.
Re-install the power supply and apply power to the system.
14.
If the power supply continues to malfunction, replace it.
Follow procedures established at your site for processing defective
equipment. If necessary
, contact your distributor or sales office in the
United States or call Siemens Industrial Automation, Inc., at (800)
964–41
14 for assistance in contacting your distributor or sales office.
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