13-3
IM DR231-01E
Trouble-shooting
and Maintenance
13
DR241
1. Turn off the power switch.
2. Disconnect the power connections.
3. Open the front and display doors to gain access to the fuse holder. Use a standard screwdriver
to turn the fuse-holder screw counterclockwise. Then remove the fuse holder.
4. Remove the blown fuse from the holder.
5. Insert a new fuse into the holder and then install the holder in place.
DR130/DR231/DR241 (in case of DC power supply)
1. Turn off the power switch.
2. Disconnect the power connections.
3. Use a standard screwdriver to turn the fuse-holder screw counterclockwise, located next to the
DC power terminals. Then remove the fuse holder.
4. Remove the blown fuse from the holder.
5. Insert a new fuse into the holder and then install the holder in place.
DR130
DR231
Note
The fuse is located in the case at the rear side of the main unit where the input/output module is connected.
This fuse may not be replaced by the customer. Fuse rating is a 250V2A time-lag fuse with IEC/VDE
certification for an AC power supply. It is a 250V6.3A time-lag fuse with UL/CSA certification for a DC
power supply.
13.2 Replacing the Fuse
Содержание DR231
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