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Chapter 4 Troubleshooting and Maintenance
4.1
Troubleshooting
Description
The power cannot be
turned ON.
Measured values are not
correct.
The FB200C/FB200L is
reset during operation due connected properly to the ground.
to noise.
Cannot change settings or The settings of the RS-422
control the operation of the communication parameters are not
FB200C/FB200L via the
communication interface.
IM 703753-01E
Probable Cause
Using a power supply outside the
ratings.
The connector wiring is not correct.
Insufficient warm-up.
Dusty or dirty optical connector.
The FB200C/FB200L case is not
matched.
The interface is not used in a way that Use it in a way that conforms to the
conforms to the electrical or
mechanical specifications.
Corrective Action
Use a correct power supply.
Check that the wiring is correct.
Warm up the FB200C/FB200L for
30 minutes after turning on the power.
Clean the optical connector.
Ground the FB200C/FB200L case to the
system's frame ground.
Match the communication parameters.
specifications.
Reference
Page
2-2, 5-2
2-2
–
2-1
4
2-2
3-1 to 3-5
2-2, 5-3
4-1
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