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Fanuc 10 and Fanuc 11 Masterboard Alarms

Fanuc 10 and Fanuc 11 Alarms

Alarms on the Fanuc 10 or Fanuc 11 masterboard are displayed on the 7 segment display on the main PCB card.

Fanuc 10/11 Control Alarm

Display: A
Description: MDI Connection Failure
Remedy: Check fiber optic cable between control and MDI/CRT Unit.

Display: C
Description: MDI Failure
Remedy: Connection Unit for Operators Panel or connecting cable is defective.

Display: F
Description: Connection of connection unit or I/O Cards D1-D3
Remedy: Check fiber optic cable between units, Fault could be from Master PCB, Connection Unit or I/O Board.

Display: H
Description: Connection Failure I/O
Remedy: Connection unit 2 or connecting cable is defective, Check both

Display: c
Description: Transfer error through fiber cable
Remedy: Check cable,  Check power supplies for correct voltages

Display: J
Description: PC or interface converter not functioning
Remedy: Check PC ROM Cassette, PC RAM board

Display: L
Description: Waiting for PC Read
Remedy: Replace PC ROM, PC ROM Cassette or PC Ram Board

Display: b
Description: RAM check error
Remedy: Replace master or Fanuc ROM/RAM card

Display: 8
Description: RAM Check
Remedy: Clear memory and reload parameters, replace masterboard, Check power supply

Display: d
Description: Power Supply read signal
Remedy: Check Fanuc  power supply replace if needed

Display: E
Description: System Error
Remedy: Replace masterboard, ROM PCB, Software Error, Wrong Option Parameters, No message on Fanuc CRT clear the memory

Display: O
Description: IPL Mode

Display: 1
Description: Normal Operation

Display: 4
Description: Bad ACP
Remedy: Replace ACP Daughter Board

Display: Others
Description: System Error
Remedy: Replace Master PCB, NC Software, ROM, or ROM PCB

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This post first appeared on Fanuc Repairs | Independent Specialists In Fanuc R, please read the originial post: here

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Fanuc 10 and Fanuc 11 Masterboard Alarms

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