Watchdog Timer Error

What does E5SI-T3 mean?

A Watchdog Timer Error indicates that the drive's internal processor has stopped responding or is executing an endless loop. This is a critical software or hardware fault preventing safe operation and indicates damaged hardware requiring power cycling and replacement to restore functionality.

• Processor lock-up due to a software anomaly or firmware bug
• Faulty hardware component causing the processor to halt or malfunction
• Severe electrical noise or interference interfering with processor operation.

Click steps to track your progress.

1. 1

   Perform a power cycle by disconnecting and reapplying input power to the drive.

2. 2

   Isolate the drive from noisy electrical environments or sources of electromagnetic interference.

3. 3

   If the fault persists, the drive's control board or the entire unit likely requires replacement by a qualified technician.