Panasonic PLCs Troubleshooting & Procedures

Step-by-step procedures

• Panasonic FP7 — ALARM/ERROR LED Self-Diagnostic — A Panasonic FP7 ALARM/ERROR LED has a self-diagnostic code you read in FPWIN GR7. A power-cycle-in-PROG test separates a real unit fault from noise, and an ALARM after RUN usually means scan time is too long.