58 DF-150
Troubleshooting
12.4Fuse Replacement
DANGER
The instrument power switch must be in the OFF position and the
power cord unplugged before removing the fuse holder cap.
Failure to do so may expose the operator to hazardous voltages.
All fuses within the analyzer are user replaceable. The main power fuse is
located on the rear panel above the AC power connector. Use the proper fuse
for the operating voltage of the analyzer. The operating voltage for which the
analyzer is set is marked beside the AC power connector. All power input fuses
are 5X20 mm, 250 VAC, IEC Sheet III, Type T devices. For 110 VAC
operation the fuse is a .5 A time delay device and for 220 VAC operation the
fuse is a .25 A time delay device. Refer to the spare parts list in Table 11 for
fuse part numbers.
If the analyzer is equipped with a 4-20 mA option, it is installed on a daughter
board attached to the main circuit board. There is a 5X20 mm, 250 VAC, 100
mA fast acting fuse on the 4-20 mA board.
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