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Chapter 6. Machine adjustment and setting up
6.1.4. Alarm messages
The electronic board detects series of alarms that are indicated on the display (D) by the following messages:
AL1:
Limit switch B1 closed when the machine is switched on.
Possible causes are:
Machine on and hood down. Lift the hood.
Limit switch B1 faulty. Repair or replace the limit switch.
The machine will not execute the cycle in both cases. It is necessary to open the limit switch contact to cancel signalling.
The alarm will disappear as soon as the contact is opened.
AL2:
Temperature not reached.
The working temperature was not reached in the pre-set time (15 min.).
Check that the thermocouple is positioned correctly. Check the heating element.
To reset the alarm, switch the machine off and on again.
AL3:
Maximum temperature exceeded or thermocouple tripped.
The element has exceeded the maximum permissible temperature or the thermocouple has tripped.
Check the thermocouple. Check the power board.
To reset the alarm, switch the machine off and on again.
AL4:
Thermocouple polarity inverted.
Check the thermocouple connections.
To reset the alarm, switch the machine off and on again.
AL5:
Sealing blade safety device.
To reset the alarm, switch the machine off and on again.
If the machine operates normally when it restarts it means that an incorrect operation has been carried out
(e.g. two sealing operations in a very short space of time).
If the alarm recurs it means that there is a fault on the power board.
Contact the technical assistance.
ALL:
Hood closed after shrinking.
If the hood remains closed during a shrinking cycle for longer than the pre-set shrinking time, the machine
continues the shrinking for a maximum of 10 seconds, after which it stops running.
To reset the alarm, simply open the hood.
EEE:
Machine lock.
Contact the technical assistance.
FF1:
Memory.
FF2:
To reset the alarm, switch the machine off and on again while pressing the buttons (2) and (3) for 3 seconds.
E_COM: Electrical interference has rendered communication between the boards incomprehensible.
To reset the alarm, switch the machine off and on again.
6.2. Film reel insertion
Insert the reel of film on the roller (5) and lock it with the
centring cones (6)
Position the roller on the film reel support
Feed the film around the return roller (7)
Run through the micropunches (8)
Run the film over the film drive roller (9)
Feed the film around the return roller (10)
Run the film lower layer under the packaging plate (11)
Run the film upper layer over the packaging plate (11).
6.3. Reticulated plate installation
The reticulated plate (12) can be placed according to the height
of the product to pack.
For a proper packaging the reticulated plate must be positioned
so that film sealing is at the half of the package height.
To position it follow this procedure:
Pull the reticulated plate in direction of the arrows
Remove it from the stops
Position the plate on the stops at the required height.
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