
RFL 9660
RFL Electronics Inc.
August 18, 1998
10-2
(973) 334-3100
4.
Inspect each fuse for damage.
If the fuse is bad, it must be replaced. If the fuse is good, check for presence of input
voltage at TB1-9 and TB1-10 on the PWR/ALARM I/O module. If voltage is present and the
RFL 9125 does not function, the power supply module is defective and must be replaced.
5.
If the power supply does not have front-panel fuseholders, replace the fuses as follows:
a.
Insert a fuse with the proper voltage and current ratings into each set of fuseholder clips on the
input converter board, and push it in until the fuse is firmly seated.
For continued safe operation, always replace a fuse with one having the same
voltage and current ratings. Refer to Table 10-1 for proper fuse values.
b.
Line the edges of the input converter board up with the card guides in the chassis. Once they
are lined up, push the module in to the chassis until its front panel is flush with the other
modules
on the front of the chassis.
c.
Using a flat-blade screwdriver, turn the four quarter-turn fasteners on the front panel one
quarter-turn to secure the power supply module in place.
6.
If the power supply does have front-panel fuseholders, replace the fuses as follows:
a.
Insert a fuse with the proper voltage and current ratings into the fuseholder cap and push it in
until the fuse is firmly seated.
For continued safe operation, always replace a fuse with one having the same
voltage and current ratings. Refer to Table 10-1 for proper fuse values.
b.
Insert the fuse and fuseholder cap into the fuseholder. Using a flat-blade screwdriver, push in
on
the cap and turn clockwise about one quarter-turn.
This will secure the fuse in place.
c.
Repeat steps 2 through 5 for the other fuse.
Table 10-1. Fuse replacement data, RFL 9660 power supply modules
Model
Assy. No.
Fuse Rating
Manufacturer's Type
Part Number
9125B 24DCPS
103150-1
3AG slow-blow, 250V, 3A
Littelfuse 313 004 or equiv.
91935
9125B 48DCPS
103150-2
3AG slow-blow, 250V, 2A
Littelfuse 313 002 or equiv.
7549
9125B 125DCPS
103150-3
3AG slow-blow, 250V, 1A
Littelfuse 313 001 or equiv.
6645
9125 250DCPS
101970-4
3AG slow-blow, 250V, 1A
Littelfuse 313 001 or equiv.
6645
9125 110ACPS
101975-1
3AG slow-blow, 250V, 1A
Littelfuse 313 001 or equiv.
6645
9125 220ACPS
101975-2
Type T slow-blow, 250V, 1A
Littelfuse 213 001 or equiv.
30457
7.
Place the power switch in the ON position.
If all the indicators on the front of the power supply module light, the power supply is
working properly. If all five indicators do not light or if one or both fuses blow again, the
RFL 9125 is defective and should be replaced.
Содержание RFL 9660
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