Great Plains PM400 Monitor Operator - Manual (Page 49)

OPERATOR’S MANUAL
PM300, PM332, PM400 Planter Monitors
11001-1372-200606
ALARMS / 43
HI/LOW POPULATION WARNING
The Hi and Low population alarm triggers when seed flow drops below the
population alarm limit set on the Limits Setup screen. The alarm display will
beep and flash on the screen briefly indicating row units are over or under
the desired population (refer to Figure 31). The Operate (Main) screen will
display the row unit over or under population symbol until recorrected, All
Rows Failure occurs, or sensor mechanical problems are fixed.
Figure 31
Population Limit Warning Display
FAN SPEED LO/HI LIMIT WARNING
Fan speed alarms are triggered with a solid-on alarm when any fan speed
exceeds or falls below the value entered for Fan Speed Lo/Hi Limits in the
Setup mode (Refer to Figure 32). Alarm can be silenced by pressing Alarm
Cancel key, but will re-activate if problem is not resolved.
Figure 32
Fan Speed Limit Warning Display (Optional)
2 4 6 8 2 4 6 8
LOW FAN SPEED HIGH FAN SPEED