jrk21v3 analog input cannot get the full range output

Hi,
I have an input (0-5v) with Rx pin and ground pin and the power supply is 15v, no feedback. I expect to get -15v to 15v output.
However, I only can get -15v to 2.6v. There is no load in the output. If I change the duty cycle manually and click the invert function, it is ok to get -15 to 15v. I just buy this new device, so every function of this device should be ok.
Is any other thing I need to check? Please help me.

Here is my configuration output.

INITIALIZED	0
INPUT_MODE	ANALOG
INPUT_MINIMUM	88
INPUT_MAXIMUM	4092
OUTPUT_MINIMUM	1448
OUTPUT_NEUTRAL	2048
OUTPUT_MAXIMUM	2648
INPUT_INVERT	0
INPUT_SCALING_DEGREE	0
INPUT_POWER_WITH_AUX	0
INPUT_ANALOG_SAMPLES_EXPONENT	5
INPUT_DISCONNECT_MINIMUM	44
INPUT_DISCONNECT_MAXIMUM	4093
INPUT_NEUTRAL_MAXIMUM	2179
INPUT_NEUTRAL_MINIMUM	2179
SERIAL_MODE	USB_DUAL_PORT
SERIAL_FIXED_BAUD_RATE	9600
SERIAL_TIMEOUT	0
SERIAL_ENABLE_CRC	0
SERIAL_NEVER_SUSPEND	0
SERIAL_DEVICE_NUMBER	11
FEEDBACK_MODE	NONE
FEEDBACK_MINIMUM	0
FEEDBACK_MAXIMUM	4095
FEEDBACK_INVERT	0
FEEDBACK_POWER_WITH_AUX	0
FEEDBACK_DEAD_ZONE	0
FEEDBACK_ANALOG_SAMPLES_EXPONENT	5
FEEDBACK_DISCONNECT_MINIMUM	0
FEEDBACK_DISCONNECT_MAXIMUM	4095
PROPORTIONAL_MULTIPLIER	0
PROPORTIONAL_EXPONENT	0
INTEGRAL_MULTIPLIER	0
INTEGRAL_EXPONENT	0
DERIVATIVE_MULTIPLIER	0
DERIVATIVE_EXPONENT	0
PID_PERIOD	10
PID_INTEGRAL_LIMIT	1000
PID_RESET_INTEGRAL	0
MOTOR_PWM_FREQUENCY	1
MOTOR_INVERT	0
MOTOR_MAX_DUTY_CYCLE_WHILE_FEEDBACK_OUT_OF_RANGE	200
MOTOR_MAX_ACCELERATION_FORWARD	600
MOTOR_MAX_ACCELERATION_REVERSE	600
MOTOR_MAX_DUTY_CYCLE_FORWARD	100
MOTOR_MAX_DUTY_CYCLE_REVERSE	600
MOTOR_MAX_CURRENT_FORWARD	0
MOTOR_MAX_CURRENT_REVERSE	0
MOTOR_CURRENT_CALIBRATION_FORWARD	37
MOTOR_CURRENT_CALIBRATION_REVERSE	37
MOTOR_BRAKE_DURATION_FORWARD	0
MOTOR_BRAKE_DURATION_REVERSE	0
MOTOR_COAST_WHEN_OFF	0
ERROR_ENABLE	70
ERROR_LATCH	70

OK. I found the answer. I need to set max duty cycle forward to 600…
Then everything works fine.

Hello.

I am glad you got it working. Thank you for letting us know that you found the problem and what is was.

-Derrill