GAL GALaxy eHydro - Page 107

GALaxy eHydro Elevator Controller Section 6 – Main CPU Faults & Detailed Faults
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Table 6-0: Main CPU Faults
Faults
Description
Possible Cause/Suggested Fix
Car 2 Comm Loss
The group car is not
communicating with
Car 2.
• Faulty wiring from R/T+ and R/T- from car to car.
• Faulty U6 driver chip on 1132 board.
• Noise on shield wire. Connect shield only on one end.
• Noise on the communication wires. Run wires in separate
conduit.
Car 3 Comm Loss
The group car is not
communicating with
Car 3.
• Faulty wiring from R/T+ and R/T- from car to car.• Faulty
U6 driver chip on 1132 board.• Noise on shield wire.
Connect shield only on one end.• Noise on the
communication wires. Run wires in separate conduit.
Car 4 Comm Loss
The group car is not
communicating with
Car 4.
• Faulty wiring from R/T+ and R/T- from car to car.
• Faulty U6 driver chip on 1132 board.
• Noise on shield wire. Connect shield only on one end.
• Noise on the communication wires. Run wires in separate
conduit.
Car 5 Comm Loss
The group car is not
communicating with
Car 5.
• Faulty wiring from R/T+ and R/T- from car to car.
• Faulty U6 driver chip on 1132 board.
• Noise on shield wire. Connect shield only on one end.
• Noise on the communication wires. Run wires in separate
conduit.
Car 6 Comm Loss
The group car is not
communicating with
Car 6
• Faulty wiring from R/T+ and R/T- from car to car.
• Faulty U6 driver chip on 1132 board.
• Noise on shield wire. Connect shield only on one end.
• Noise on the communication wires. Run wires in separate
conduit.
Car 7 Comm Loss
The group car is not
communicating with
Car 7
• Faulty wiring from R/T+ and R/T- from car to car.
• Faulty U6 driver chip on 1132 board.
• Noise on shield wire. Connect shield only on one end.
• Noise on the communication wires. Run wires in separate
conduit.