OPERATOR’S MANUAL
PM200, 200E and 250 Planter Monitors
11001-1444-200702
40 / ALARMS
FAILED GROUND SPEED SENSOR (PLANTING
DETECTED WITHOUT GROUND SPEED)
The Failed Ground Speed Sensor alarm triggers when planting is detected
with no ground speed being reported. This may also result from a poor or
faulty connection to the speed sensor or from a defective sensor. This is a
4-chirp alarm which is acknowledged by pressing the Alarm Cancel key,
but will re-activate until the problem is corrected, refer to (Figure 33).
PM250 allows entry of a manual ground speed at the Alarm screen.
Figure 33
Ground Speed Sensor Failure Alarm
SUPPLY HI/LOW
The Supply Hi/Low alarm triggers when supply voltage is out of range - over
voltage or under voltage. The correct power operating range is 10-16 VDC.
Alarm indicates an electrical problem exists that must be corrected, refer to
(Figure 34).
Figure 34
Supply Voltage Alarm
PM250
PM200 and 200E
Manual
Ground
Speed
Entry
0.00
16.5
8.9
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