S600 Instruction Manual
8.3.4 Changing the Fuse
The fuse is located in a clip-in type holder on the P144 CPU module
(see Figure 8-1):
Fuse
Figure 8-1. Fuse Location
To change a fuse:
1. Switch off the power supply.
2. Unscrew and remove the CPU module from the S600 case.
3. Remove the fuse using only light pressure.
4. Check the integrity of the fuse. If necessary, replace it only with a
20 mm x 5 mm 2.5 Amp anti-surge fuse.
Note: Using a fuse with a higher current rating invalidates the S600
warranty.
5. Replace the fuse, checking to be sure it is secure.
6. Replace the CPU module into the case.
7. Replace the plug connectors.
8. Switch on the power supply.
8-6 Troubleshooting Revised Jan-07