Yaskawa MP930 - Manual (Page 265)

Troubleshooting
9.1.2 Indicator Errors
9 -6
Classifi-
cation
Remedy Indicator Details Indicator Classifi-
cation
Remedy Indicator Details
BAT
ALM
ERR ALM RUN RDY
Warning − − − − Lit Battery alarm Replace the battery.
Lit Lit Lit Unlit Unlit 1. Operation error See Operation Error Remedies.
2. I/O error See I/O Error Remedies.
3. Wrong interrupt occurs −
System register warning (no indicator
display) 1. CP-717 connection data See System Status.
display)
2. Hardware status (power interrup-
tion, RUN/STOP, Test Mode, etc.) See System Status.
Test
Mode Unlit Unlit Unlit Lit Unlit Hardware errors
No. of flashes
2: RAM diagnosis error
3: ROM diagnosis error
4: CPU function diagnosis error
5: FPU function diagnosis error
6: RTC interrupt time diagnosis error
7: WDT over time diagnosis error
Troubleshoot system errors.
9