PROALL P Series, Service Manual, Page: 36 / 118

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5.8 ALARMS
Alarm messages, when activated, show on the screen in the form of a triangle or circle with a brief description of the
alarm. If more then one alarm is active, they cycle through every few seconds depending on their priority and then
repeat. Once an alarm is reset if will disappear from the display. An alarm log on the display stores up to 100 alarm
messages for reference. Below is a summary of all alarms that are possible on the display.
Emergency Stop (E-Stop) pressed on the
wireless remote (RED button). The
mixer will stop when this alarm is
activated. The alarm cannot be
removed until the wireless E-Stop is
reset.
Belt auto alarm. This alarm indicates
the control system cannot reach the
RPM set point. This alarm will stop the
mixer. The operator must acknowledge
the alarm by pressing the belt button
on the control knob (#5). This will place
the belt in open loop mode and the
control system will ignore belt speed
set points; however, the unit will
continue to function. Downstream
automatic functions such as cement
and water metering will continue to
follow the belt speed if the speed
sensor is working. Typically causes for
this alarm are:
1. The hydraulic system has not had enough time to
become warm for high belt speeds. Slow the belt
until operating temperature is achieved. Typically,
above 90°F/32°C.