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Changing Fuses
The controller contains two fuses. Both fuses are held in the fuse assembly that is part of the power
module located on the back panel of the controller.
To change fuses, do the following:
1. Unplug the line cord from the power entry module at the rear of the PDR2000.
2. Locate the fuse block immediately below the line cord socket.
3. Press the tab of the fuse assembly and withdraw the fuse assembly from the power module.
4. Turn the fuse assembly around so that the fuses are facing you.
5. Check both fuses; replace the burnt-out fuse with a fuse of the appropriate rating (refer to Chapter
One for specifications information).
6. Reinsert the fuse assembly into the power module; push it in until the ears click into place.
Below is a table for information on the replacement fuse type: 5 mm X 20 mm, regular 1 amp
Information on Replacing Fuses
Manufacturer Fuse Type
Bussman GDB-1A
Littlefuse 217 001
Table 9: Information on Replacing Fuses
Schematic Diagrams
Because of the proprietary nature of our products, we do not supply schematic diagrams or software
listings. If you have any problem with operation or interface to any of our products, please contact us.
We will do everything we can to serve your needs.
Trouble Shooting
Below is a checklist for trouble shooting.
• If the self-test fails, run the self-test again by turning the power off and then on again. If it fails
again, call MKS Instruments. If fuses burn out, check to see that the proper voltage has been
supplied to the power input module.
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