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1.3
Checking method and remedy of trouble classification
B
1.3.1 When the power is turned on,
the display of the opera-
tion panel does not appear at all.
Item
Cause
Check
Remedy
The AC power is not
Check the input pins Xl, X2,
Supply the power.
1
supplied.
and X3 of the amplifier using
a circuit tester.
The fuse
F2, and/or Check that the indication
Replace the fuse
F2,
of the control power
lamp LED1 on the SF-PW module
and/or
with a new one.
2
is blown.
lights.
(See Appendix
(See
Section 2.1.)
Check the electric continuity
using the circuit tester.
The power
Disconnect the connectors
Open the shortcircuited
or
outside
which are connected to the
tion of a circuit outside
the printed circuit
outside of the SF-CA card in
the SF-CA card.
board SF-CA card is
the order of
CON3,
(See Appendix 1.2).
3
shortcircuited.
and so on by referencing
Appendixes 1-4 or 1-5, turn
on the power again, and then
check that the indication
lamp LED1 on the SF-PW module
lights.
The power supply inside
Disconnect the connectors
Replace the printed circuit
the printed circuit
which are connected between
board SF-CA card with a new
board SF-CA card is
the SF-CA card and SF-PW
one.
4
shortcircuited.
module (CON21 to
turn
(See Section
on the power again, and check
that the indication lamp
lights.
The control power SF-PW
Check that 200 VAC power is
Replace the control power
module is defective.
supplied to the input
with a new one.
nals of the SF-PW module.
(See Section 2.4.1.)
Disconnect the connectors
5
(CON21 to
turn on
the power again, and check
that the indication lamp
LED1 does not light.
(See Appendix
All the dip switches
Check the switch position of
Correctly set the dip
to
on the
switch SW5 by referencing
switches
to SWS-4.
6
printed circuit board
Reference
are not placed in the
(See Appendix
OFF position.
When the equipment is
Compare the positions of the
Correctly set the setting
not
linked with the NC
setting pins on the SF-CA
pins.
through the bus, the
card with those
on
the
setting pins PIN1 and
attached setting pin list
PIN2 on the SF-CA card
by referencing Reference
are not placed as
follows.
3
2
1
PIN I PIN
Summary of Contents for FREQROL-SF
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