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Maintenance and Troubleshooting
20 Installation and Operations Manual
Replacing a Fuse
! Warning Explosion Hazard. To prevent an electrical shock or ignition of a flammable atmosphere,
do not remove or replace Fuse 1 while the circuit is live.
1. Turn off the main circuit breaker switch to remove power from the unit.
2. Open the front panel of the 8620 DET.
3. Using needle-nosed pliers, remove fuse (F1) on the 8620 DET DIN Rail from the terminal
block fuse holder and replace it with a new fuse. To locate the fuse holder, refer to
Figure 3-1.
4. Close the front panel of the 8620 DET.
5. Turn on the main circuit breaker to connect power to the unit.