SEAL 54 Base Betriebsanleitung Seite 19

Pressure indication (2), 4 LED's;
The LED's indicate the pressure setting of the main rollers. When 2 LED's light at the same
time, they indicate the tens in between. See specifications for actual pressure range.
All four LED's flashing indicates a pressure or nip setting error.
The LED's start flashing at 10% overload. When the pressure exceeds a 20% overload an
audible signal is generated. Increase the nip to lower the pressure.
Speed control (3), control knob;
Sets the speed anywhere in a range between 0 and 10 (See specifications for actual speed
range).
Slow mode (4), toggle pushbutton;
Press 1 second to switch slow mode ON or OFF.
To run at the fixed slow mode speed the footswitch must be pressed.
The LED will light when slow mode is selected.
CAUTION:
When slow mode is active the machine can still run at high speed.
Slow mode indication is NOT a speed indication. It is a working method.
Safety indicator (5), LED;
The LED will light up when the beam of the optical safety device at the input side of the nip
is not interrupted.
Forward (6), pushbutton;
Press to start the rotation of the rollers in the forward direction.
The LED will light when the forward mode is selected.
When the LED flashes it indicates a motor overload. Press the stop button and check the
material flow and the tension setting of the unwind shafts.
Reverse (7), snap pushbutton;
Press and hold for rotation of the rollers in reverse direction.
The LED will light when the reverse mode is selected.
When the LED flashes it indicates a motor overload. Press the stop button and check the
material flow and the tension setting of the wind-up shafts.
Forward and reverse indicator flashing;
This indicates a system error. Disconnect and then reconnect the power. If the error
persists, contact your service organization.
Stop (8), pushbutton;
Press to stop the rotation of the rolls.
Heat-assist (9), ON/OFF switch
Switches the heat-assist control ON or OFF. When ON the upper roller will be heated untill
it reaches 40 °C or 104 °F. Allow ample time to reach this temperature.
Operating 17