User's Manual

2-28-08
REV C
ELECTRONIC SYSTEMS DIVISION – ST. LOUIS •
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• 4372 GREEN ASH DRIVE •
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• EARTH CITY •
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• MO 63045-1231
TELEPHONE [phone] FAX [phone]
Motor failed to turn on – this error is caused when the motor is running and the motor ATD input
has fallen below 1 Volt. The motor is turned off and favorite position or preset position is canceled.
The fault code will be displayed on the status light as long as the motor button is being pressed.
Motor failed to turn off – this error is caused when the motor is off and the motor ATD input has
fallen below 2 Volts. The 24V to the motors is turned off. The fault code will be displayed on the
status light. The power must be removed for this error to be cleared.
Circuit Open Fail – this error is caused when the motor limit switches can not be read. The fault
code will be displayed on the status light.
System Faults:
Power fail – this error is caused when the ATD input for the 24 volts has fallen below 18 volts.
The 24V power relay is turned off so all voltage to the motors has been turned off. The relay will
stay off for 20 seconds after the voltage rises above 18 volts. The fault code will be displayed on
the status light.
Power up fail – this error is caused when the unit is powering up the 24V is less than 22 volts or
the 12V is below 11 volts. The status light will stay on solid.
5V fail – this error is caused when the 5V power supply drops below 4 volts. The fault code will be
displayed on the status light.
12V fail – this error is caused when the 12V power supply drops below 11volts. The fault code will
be displayed on the status light.
Hand Control Find:
The find function is activated by press the lean button on the control box for 4 seconds at which
time the status light will start flashing code 54. The button can be released and the hand control
will start sounding its beeper after it receives the find command. The hand controls wakes up
every 30 seconds looking for a signal. The function can be canceled by pressing a button on the
beeping hand control or by pressing the learn button. If no hand control is found the control box
will clear the function after 120 seconds.
Power Down Box:
Power Down with power applied:
The power down box can be use for three different types of functions learn, find and flat. The
length of time the button is pressed determines what function is active. From .5 to 2 seconds the
learn function will be activated. From 2 seconds to 5 seconds the find feather is active. This can
be seen in the power down light flashing a code of 54 with the yellow LED. If the time is held for
over 5 seconds the flat feature will start running and the LED will stop flashing the find code. The
time the button is held is determined by when the button is released. At that time the first 2
functions will start their execution. If a the find function or learn function is active it may be cleared
by pressing the power down button for .5 seconds to 2 seconds and releasing.
Power Down with power disconnected:
Press and hold the flat button on the power down box the light turn on solid red. The head will
start running down until the limit switch is hit. Then the foot will drive down until its limit switch is
pressed.
Lift Motor Operation:
When a lift motor is activated the vibe motors are turned off so all the power can be supplied to
the life motor. When the lift motor stops running the vibe motor will be turned back on.
Flat: