System Fault

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This fault indicates an internal microprocessor problem (sub-codes 0, 1, 2) or an incorrect thermistor profile (sub-code 3). These issues point to a fundamental problem with the drive's internal control system that cannot be resolved through basic troubleshooting. The drive requires specialized attention.

• Internal control board hardware malfunction (e.g., ASIC failure, memory corruption).
• Processor watchdog timer expiry due to software execution deadlock.
• Incorrect thermistor type or profile selected in parameter P0-15 (Thermistor Type) causing invalid temperature readings.
• Damage to control board components from electrical transients or environmental stress (e.g., extreme heat, vibration).
• Firmware corruption during update process leading to improper initialization.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   1. Record the sub-code displayed on the drive's HMI or through diagnostic software.

2. 2

   2. Verify parameter P0-15 (Thermistor Type) matches the connected thermistor's specifications.

3. 3

   3. Perform a factory reset via parameter P0-01 (Parameter Reset) to restore default settings and re-enter required parameters.

4. 4

   4. Measure the supply voltage at the drive's input terminals (L1, L2, L3) to confirm it is within specified tolerance (e.g., 400V +/-10%).

5. 5

   5. Replace the control board or the entire drive unit if the fault persists after software and basic power checks.