Reprogram Fault

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This fault is generated when the controller's operating parameters have been reset to their factory default values. While often initiated intentionally, it serves as an indicator that a significant configuration change has occurred, potentially requiring re-commissioning.

• Intentional initiation of a parameter reset via HMI (Human Machine Interface) or a dedicated digital input (e.g., DI4 configured for factory reset).
• Corruption of non-volatile memory within the controller due to voltage fluctuations, power outages, or electromagnetic interference (EMI).
• Failed or interrupted firmware update process resulting in a default parameter load upon restart.
• Battery backup failure (if present) for retaining RAM-based parameters, leading to loss of configured settings.
• An external device or software command triggering a parameter reset without operator awareness.

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1. 1

   1. Access the controller's parameter menu and verify values for critical parameters like P1-01 (Maximum Frequency) or P1-03 (Acceleration Time) to confirm default settings.

2. 2

   2. Check the status of digital inputs (e.g., DI3, DI4, DI5) configured for parameter reset functions to ensure none are unintentionally active.

3. 3

   3. If a parameter backup file exists (e.g., on an SD card or USB stick), reload the last known good configuration.

4. 4

   4. Monitor the controller's supply voltage (e.g., 24VDC control power) for stability and absence of transients using a voltmeter or oscilloscope.

5. 5

   5. If a backup battery is present, measure its voltage and replace if below specified levels (e.g., 3.0VDC for a CR2032 type).