Operator’s manual, Ground speed alarm sounds with forward movement, Ground speed high alarm sounds – Great Plains PM400 Monitor Operator User Manual
Page 55

OPERATOR’S MANUAL
PM300, PM332, PM400 Planter Monitors
11001-1372-200606
TROUBLESHOOTING / 49
ACCESSORY ALARM SOUNDS WHEN SHAFT,
FAN, OR FLOW IS WORKING
Probable Cause
1. Sensor failure
2. Wrong calibration number
3. Incorrect limits
4. Defective console
Corrective Action
1. Shaft, fan, or flow sensor not operating. Replace defective sensors.
2. Sensor calibration number is incorrect. Check calibration number in
accessory setup screen.
3. Sensor limits are incorrect. Check limits in accessory setup screen.
4. Console is damaged. Contact your dealer, DICKEY-john USA
(1-800-637-3302), or DICKEY-john Europe (011-33-141-192189).
GROUND SPEED ALARM SOUNDS WITH
FORWARD MOVEMENT
Probable Cause
1. Ground speed sensor failure
2. Console failure
Corrective Action
1. No ground speed sensor is detected, or planting is detected on at least
one row with no ground speed. Replace faulty ground speed sensor.
2. Console is damaged. Contact your dealer, DICKEY-john USA
(1-800-637-3302), or DICKEY-john Europe (011-33-141-192189).
GROUND SPEED HIGH ALARM SOUNDS
Probable Cause
1. Ground speed alarm set too low
2. Incorrect ground speed constant
Corrective Action
1. Set ground speed alarm limit higher or to zero to disable.
2. Ground speed sensor has not been calibrated, RADAR sensor angle
has changed, or incorrect sensor constant is entered. Use SPEED,
AREA, DISTANCE mode to determine if speed is correct. If incorrect,
recalibrate speed constant (Speed Setup screen).