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7. Hopper level Alarm
When the hopper level sensor is uncovered, the instrument defaults to the hopper level
channel (
The alarm can be cancelled temporarily by selecting another channel, but will revert to
the hopper level display and repeat the alarm after 30 seconds until the hopper is
refilled.
7.1 Feed roll monitoring
If the feed roll stops during operation (e.g. the chain between the motor and the feed
roll is breaking), the hopper level alarm will be activated too.
8. Fan Speed / Speed Alarms
Display Fan Speed
Select the
Fan Speed displays for 10 seconds before
returning to the tramline display.
Fan Speed Alarms
There is a programmable high speed alarm and a programmable
low speed alarm. An alarm condition causes the instrument to default to the fan speed
channel, sound 5 beeps and flash the actual fan speed.
Cancel the alarm by restoring the fan speed within the programmed limits.
NOTE: The alarm is inhibited if the forward speed is less than 2 km/h.
Defaults Alarm Thresholds:
Low speed = 2700 rpm, High speed = 4500 rpm
), beeps 5 times and flashes 'ALAr' every 30 seconds.
channel.
HE-VA Auto-Controller AC-Lite - May 2016
Figure 19: Display Fan Speed
21
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