EX-Turntable FAQ and Troubleshooting
Frequently Asked Questions
This is a list of common questions that we answer by our various support channels:
Question |
Answer |
|---|---|
Troubleshooting tips
In this section, you will find some tips on troubleshooting the various issues encountered with EX‑Turntable.
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”
|
The magnet in the turntable is too far away from the sensor
Hall effect sensor is connected incorrectly
|
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”
|
The magnet in the turntable is too far away from the sensor
Hall effect sensor is connected incorrectly
|
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
Stepper motor or driver is not connected correctly, ensure all wiring is securely connected
Something is physically interfering with the turntable or stepper operation, check for interference
|
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
|
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
|
EX-CommandStation compile errors with device driver enabled
Symptoms |
Common Causes |
|---|---|
EX-CommandStation software fails to compile with “#include IO_TurntableEX.h” in myHal.cpp |
The version of EX-CommandStation is incorrect, you need the “add-turntable-controller” branch of EX-CommandStation |
EX-Turntable showing as offline with <D HAL SHOW>
Symptoms |
Common Causes |
|---|---|
<D HAL SHOW> reports EX-Turntable as OFFLINE
EX-Turntable does not respond to EX-RAIL or diagnostic commands
|
EX-Turntable is not powered on, or was powered on after the CommandStation
The I2C interfaces are not connected correctly, refer to 9. Connect EX-Turntable to your EX-CommandStation
The I2C address in EX-Turntable’s config.h does not match the address in the CommandStation’s myHal.cpp file
|