Seca 757 User Manual Page 79

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Maintenance/recalibration • 79
English
11.MAINTENANCE/RECALIBRATION
11.1 Information on maintenance and recalibration
We recommend having your device serviced prior to
recalibration.
ATTENTION!
Incorrect measurements as a result of poor
servicing
Have servicing and repairs carried out
exclusively by seca service or by an
authorized service partner.
You can find service partners in your area at
www.seca.com or by sending an e-mail to
Have an authorized technician perform recalibration
according to national legal regulations. The year of first
calibration can be found after the CE symbol on the rat-
ing plate above the number of the notified body 0109
(Hessische Eichdirektion [Hessen Weights & Measures
Office]).
Recalibration is necessary whenever one or more cali-
bration seals are damaged or the contents of the cali-
bration counter no longer match the number on the
applicable calibration counter sticker. If calibration
seals are damaged, contact seca service directly.
… the display “Er:X:16”
appears?
Oscillations have been induced in the scale, pre-
venting determination of the zero point.
- Do not touch the trolley or table supporting
the scale.
- Restart scale.
… when the Enter key
(send/print) is pressed,
the “Er:x:71” display
appears?
Data transmission not possible, wireless module is
disabled.
- Activate wireless module (“Activating the wire-
less module (SYS)” on page 71).
… when the Enter key
(send/print) is pressed,
the “Er:x:72” display
appears?
Data transmission is not possible, no wireless
group set up.
- Set up wireless group (“Setting up a wireless
group (Lrn)” on page 71).
Fault Cause/Remedy
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