What to Check If a Problem OccursFP2 Multi-wire Link Unit
A-3
A.1 If the CPU ERROR LED Lights
A.1 If the CPU ERROR LED Lights
Condition
The CPU ERROR LED is lighted.
Procedure 1
Check to see whether all of the units are corrected installed on the backplane.
Procedure 2
Check to see if the POWER LED on the power supply unit is lighted. If not, refer to the
FP2 hardware manual (
*
Section 6.2.3).
Procedure 3
Check to see if the ALARM and ERROR LEDs on the CPU are lighted.
ALARM/ERROR LED status What to do
ON
See chapter 6 of the FP2 hardware manual.
OFF
Check to see if the CPU is Ver. 1.05 or a subsequent version. This can
be checked by looking at the side panel seal on the CPU or the
NPST-GR.
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