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Service Manual
seca 717/727/728/737/757
1.
Open the scale
1.1 Turn the scale over so that the bottom plate is
at the top (diagram 1).
1.2 Slacken the four recessed head screws "A".
1.3 Turn the scale back over again and remove
the baby tray. (Diagram 2).
1.4 (Does not apply for model 727/728). Release
the recessed head screws "B" on the
screening plate. This gives you access to the
board.
2.
Troubleshooting and replacement work on
electronic components
2.1 Depending on the type of fault, refer to
Description
troubleshooting.
08.01.98-Ha.
of faults 30-34-00-437 for
Blatt 1 (2)
4.2 Replacement instructions
3.
Display electronics
3.1 Pull off the socket connector "C" from the
board and from the display electronics.
3.2 Unsolder the cables from the test button
and/or the KG/LBS selector switch and from
the start switch "D".
3.3 Slacken all the slotted screws "E" on the
display and bubble level holder and replace
them as a set.
4.
Fault on load cell and electronics.
4.1 In this case, the load cell, the bottom plate and
the platform support must all be replaced.
5.
Assembling the scale.
5.1 Assemble the scale in reverse order, following
steps 1.1 to 4.1.
5.2 Adjust and check the scale in accordance with
the instructions for manual calibration or
adjustment.
seca 727/728: 30-34-00-484, 30-34-00-336
seca 717/737/757: 30-34-00-484,30-34-00-4
5.3 Calibrate the scale. (Only applies for model
717/737/757)
88
30-34-00-483 Index E
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