Troubleshooting Turntable-EX¶
Troubleshooting common Turntable-EX issues¶
You will find resolutions to a number of common issues encountered with Turntable-EX on this page.
Homing failure¶
Symptoms |
Common Causes |
|---|---|
Turntable rotates on start up and ends in a random position
Serial console reports “ERROR: Turntable failed to home, setting random home position”
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The magnet in the turntable is too far away from the sensor
Hall effect sensor is connected incorrectly
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Calibration failure¶
Symptoms |
Common Causes |
|---|---|
Turntable rotates on start up and ends in a random position
Serial console reports “ERROR: Turntable failed to home, setting random home position”
Serial console reports “CALIBRATION: FAILED, could not home, could not determine step count”
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The magnet in the turntable is too far away from the sensor
Hall effect sensor is connected incorrectly
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Turntable judders, stalls, or fails to rotate¶
Symptoms |
Common Causes |
|---|---|
When attempting to rotate, the turntable judders or shakes |
An incorrect stepper driver has been configured
Something is physically interfering with the turntable or stepper operation, check for interference
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The turntable does not rotate at all |
An incorrect stepper driver has been configured
Something is physically interfering with the turntable or stepper operation, check for interference
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Track power is cut when locomotive enters turntable bridge track¶
Symptoms |
Common Causes |
|---|---|
The CommandStation detects a current overload and turns track power off |
The DCC phase is out of sync between the layout and bridge track, phase inversion flag is required for the position
Tracks opposite each other around the turntable are wired with inverted phases, wiring must be adjusted
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CommandStation-EX compile errors with device driver enabled¶
Symptoms |
Common Causes |
|---|---|
CommandStation-EX software fails to compile with “#include IO_TurntableEX.h” in myHal.cpp |
The version of CommandStation-EX is too old, upgrade to X.X.X |
Turntable-EX showing as offline with <D HAL SHOW>¶
Symptoms |
Common Causes |
|---|---|
<D HAL SHOW> reports Turntable-EX as OFFLINE
Turntable-EX does not respond to EX-RAIL or diagnostic commands
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Turntable-EX is not powered on, or was powered on after the CommandStation
The I2C interfaces are not connected correctly, refer to 9. Connect Turntable-EX to your CommandStation
The I2C address in Turntable-EX’s config.h does not match the address in the CommandStation’s myHal.cpp file
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