bCE

Bluetooth Communication Fault

Yaskawa · GA500 Maintenance and Troubleshooting

What does bCE mean?

This fault indicates a failure in establishing or maintaining Bluetooth communication between the drive's keypad and a paired smartphone or tablet running DriveWizard Mobile. It commonly arises from the mobile device being too far from the keypad or from radio frequency interference from other 2.4 GHz devices. Unresolved, this prevents remote monitoring, parameter adjustments, and diagnostic functions, impacting operational efficiency.

Common Causes

  • Bluetooth communication link between keypad and drive is unstable.
  • Interference affecting wireless connection.
  • Device pairing lost or corrupted.
  • Bluetooth module hardware failure.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Move the smartphone or tablet closer to the drive's keypad, ensuring it is within the recommended operating range, typically 10 meters (32.8 ft).

  2. 2

    Identify and mitigate potential sources of radio interference, such as other devices operating in the 2400 MHz to 2480 MHz bandwidth, by either moving them or ensuring proper shielding.

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Verified technical data. Last updated: March 2026

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Source: Yaskawa GA500 Maintenance and Troubleshooting