🔍 Main Board Status
CAN: MCB ↔ CTB communication normal → flashing (green)
ER: Fault detected → ON (red)
OK: System normal → ON (green)
RESET: Off normally, flashes during communication reset
COP / HOP: Car & hall communication normal → flashing
MODBUS: Parallel operation normal → flashing
⚙️ Input Signals (X1–X24)
External signals active → ON (green)
Includes: leveling, limit switches, brake & contactor feedback, door zone, inspection mode, safety circuit, power failure
⚡ Output Signals (Y1–Y6)
Active output → ON (green)
Y1: Run contactor
Y2: Brake contactor
Y3: Fire linkage
Y4: Controller normal
Y5: Spare
Y6: Emergency operation (power failure)
💡 Takeaway
Indicator lights clearly reflect system status and signals, helping technicians quickly locate faults.
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