Yaskawa MP930 - Manual (Page 264)

9.1 Overview of Troubleshooting
9 -5
J Indicator Details
The following describes details and remedies for indicators showing operating status and er-
rors in the MP930.
Classifi-
cation
Indicator Indicator Details Remedy
cation
RDY RUN ALM ERR BAT
ALM
Normal Unlit Unlit Unlit Lit Unlit Hardware reset status If this status continues for more than
a second the problem is a user pro
Unlit Unlit Unlit Unlit Unlit Initializing/busy
a second, the problem is a user pro-
gram error or hardware failure.
Unlit Lit Unlit Unlit Unlit Drawing A executing Troubleshoot system errors.
Lit Unlit Unlit Unlit Unlit User program stopped (Offline Stop
Mode) This status will occur if a program is
stopped from the CP-717 or by turn-
ing OFF the RUN switch.
Lit Lit Unlit Unlit Unlit User program executing normally This status will occur during normal
operation.
Error Unlit Lit Unlit Lit Unlit Serious failure has occurred. See Processing Flow When a User
Program Error Occurs.
Lit Unlit Unlit Lit Unlit 1. Program memory initialization in-
complete
2. Improper scan time setting
S Clear program memory from the
System Definition Screen on the
CP717.
S If this does not restore the system,
then hardware has probably failed.
Unlit Unlit Unlit Flash-
ing Unlit Hardware errors
No. of flashes
2: RAM diagnosis error
3: ROM diagnosis error
4: CPU function diagnosis error
5: FPU function diagnosis error
Troubleshoot system errors.
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