Replacement Of The Dp71 And Dp72 Detectors; Replacement Of The Fc74 Limit Switch - Electrolux IC4 4819 FFS Service Manual

Service
Manual
Before any intervention it is essential to cut off all supply of the machine
Repair

Replacement of the DP71 and DP72 detectors:

Under voltage, the sensor must worked as follow:
If the above conditions are not validated, the sensor is faulty.
Remove / Assembly:
1. Remove the splash guard of the faulty clamp.
2. Disconnect the wire of the faulty detector.
3. Remove the detector and replace it by a new one.
4. Connect the wire on the new detector.
5. Adjust the new sensor according to the below paragraph.
6. Switch on the machine and check the operation of the clamps.
7. Put back the frame.
Setting (fi g 2):
1. Put a object at 1 cm behind the clamp.
2. Adjust the position of the detector so that the beam of the detector detects this object.
3. Adjust the la sensibility of the detector using the button 'A' so that the detector detects the
object, the red indicator of the detector must lit.

Replacement of the FC74 limit switch:

Remove / Assembly:
1. Remove the left side frame of the machine.
2. Disconnect the wire of the faulty limit switch.
3. Remove the limit switch and replace it by a new one.
4. Connect the wire on the new limit switch.
5. Switch on the machine, activate manually the new limit switch and check that the indicator
on the A7_FEEDER board is lit.
Correspondence of indicator:
6. Put back the frame.
04102011/GB
21-2012
Feeding: Clamps System
(electricity, steam, water, gas, compressed air...).
FC74 → X4 (A7_FEEDER)
- no detection = green indicator
- detection = green + red indicators
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