Operating instructions

6 Troubleshooting Issue B1
MICROMASTER 420 Operating Instructions
74 6SE6400-5AA00-0BP0
Fault Possible Causes Diagnose & Remedy Reac-
tion
A0923
Both JOG Left
and JOG Right
are requested
Both JOG right and JOG left
(P1055/P1056) have been requested.
This freezes the RFG output
frequency at its current value. JOG
right and JOG left signals active
together
Make sure that JOG right and JOG left signals
are not applied simultaneously
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