How to fix Pixy LR Roll Motor “PHASE ERROR” in gTune

Your Pixy LR shows a “PHASE ERROR” on the Roll axis in gTuneDesktop (usually with a red LED)

When Does This Issue Happen? You may notice:

• The gimbal cannot reboot properly

• It does not return to the home position

• The issue appears more often when using inverted mode

Step 1: Check and Balance the Gimbal

Before doing any calibration, make sure the gimbal is properly balanced:

1. Power off the gimbal

2. Move the Tilt axis to 90° and release your hand.

=> Expected result: The Tilt axis should stay in place

=> If it moves back: Adjust the Tilt Up-Down axis until it can hold any position

Step 2: Calibrate the Gyro

1. Connect the gimbal to gTuneDesktop

2. Go to: Settings → IMU → Gyro

3. Make sure Gyro Trust between 210 and 220

4. Click Calibrate

=> Repeat this 2–3 times

=> Ensure the offset difference is less than 10 each time

Step 3: Run Motor Calibration

1. Restart the gimbal

2. Go to: Settings → Motor → Calib Motor

3. Start the calibration

Important Note:

• The gimbal may shake or move suddenly

• Hold it firmly to avoid damage

• Calibration finishes when the LED turns red and motors stop

Step 4: Increase Motor Strength (If Still Failing)

If calibration does not work:

1. Go to: Settings → Stiffness → Expert

2. Increase Tilt Hold Strength by 5–10 points

3. Make sure there is no vibration

4. Run Motor Calibration again

Note About Inverted Mode Limits

- Standard Pixy LR may only tilt up to ~45° in inverted mode

- If you need full 90° upward movement, a custom mechanical version from Gremsy is required

If the issue still persists, please contact Support@gremsy.com or submit a ticket via this portal for further assistance.