Applicable Systems
Series 0i
Series 16/18/21
Alpha
Beta
Symptoms
A watchdog alarm was detected, indicating a system halt.
Possible Causes
- System CPU or peripheral stopped responding.
- Firmware crash or hardware fault.
Troubleshooting Steps
- Step 1: Check the system CPU and peripheral status.
Watchdog cause identified. - Step 2: Power cycle the system or replace faulty hardware.
Watchdog alarm cleared after restart.
How to Reset
Fix the watchdog cause and reset to clear the alarm.
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Source: Fanuc 0i/0iMate Alarm Code List, FANUC Corporation
Category: CNC
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