PLCXSRVerified · sol.ls-electric.com
XSR OS2-7 — FAIL: Overload or System Status Connection Error (7 Blinks)
Trip — immediate stop
CAUSE
Why does it occur?
Red FAIL LED 7 pulses: Possible overload or SYSTEM STATUS connection error
REMEDY · Step by step
How to fix it?
Check output load and SYSTEM STATUS output wiring
Do not reset repeatedly before identifying the cause. Repeated resets while ignoring a trip/alarm can cause secondary damage (IGBT failure, motor winding damage, etc.).
SOURCE
Related manual page
Verified · sol.ls-electric.com
Open PDF ↗XSR-OS2C/S Safety Relay Manual V1.0 (Eng)
3.4 LED Indicator · p.21 · V1.0