Seca 334 LC Скачать руководство пользователя страница 19 | Manualshive

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Troubleshooting

seca

03.04.2013/JEG

18 (24)

30-34-00-864

E XX.16

Error when determining zero

point on switch-on

Protect scale from vibration /

shocks during start-up

seca serva: Recalibrate scale

E XX.40

EEPROM data incorrect

Replace electronics

E XX.60

Communication error

Check modular cable between

display and weight

determination system

Table 5: Error messages [769|799|780|869|899]

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Содержание 334 LC

Страница 1: ...struction manual of the product To download the latest version of the instruction manual and EMC Recommendation go to www seca com Description electronic 30 34 00 864 Cableplan 08 02 06 036 a Replacem...

Страница 2: ...Service Instructions LC Electronics seca 03 04 2013 JEG 1 24 30 34 00 864 Service Instructions Electronics LC MODEL 334 335 382 383 384 385 769 799 780 833 834 835 869 899 874 875 876 877 878 952 956...

Страница 3: ...876 877 878 952 956 9 2 3 Manual calibration of scale 769 780 799 869 899 11 2 3 1 Linear calibration 11 2 3 2 Calibration of corner loading 13 3 Troubleshooting 15 3 1 Error symptoms scale 15 3 2 Sc...

Страница 4: ...t intended for users without specialist skills These instructions describe servicing for the devices 334 335 382 383 384 385 769 799 780 833 834 835 869 899 874 875 876 877 878 952 956 The individual...

Страница 5: ...pack 1 2 2 Function The effect of weight on the weighing surface causes elastic deformation of the load cell s underneath They produce an electronic analogue signal which shows linear variation in re...

Страница 6: ...24 30 34 00 864 LC compact modules weight calculation and display 08 06 18 142 or 08 06 18 160 Load cell Load cell Load cell Load cell Keypad DC supply Figure 3 Function chart 334 335 382 383 384 385...

Страница 7: ...in one of two ways The scales are equipped with an internal manual calibration feature which is regulated by the control elements on the device Calibration is performed with the help of seca serva 2...

Страница 8: ...the weight to be placed on the scale 6 Place the calibrated weight in the middle of the weighing surface in one or at most two steps of equal size The calibration weight required may vary depending on...

Страница 9: ...tomatic monitoring of the battery voltage is not possible during manual calibration It should therefore be checked before and after every calibration procedure This can be carried out by switching on...

Страница 10: ...ate manual calibration The following steps are necessary to perform manual calibration of the scale 1 Switch on the scale and check the battery charge see note Calibration must not continue if the bat...

Страница 11: ...he weight from the scale move the slide switch on the PCB back to its original position and refit the display 9 Now set up the scale again and switch on Next place a calibrated weight on the scale and...

Страница 12: ...weighing surface either linear calibration of the scale is performed or calibration of corner loading which is essential when a load cell is replaced Figure 6 Jumper contacts or slide switch to activa...

Страница 13: ...is identified on the weighing surface the display will read CAL L A few seconds later it starts to flash showing the weight to be placed on the scale Note If the display reads CAL E a corner load has...

Страница 14: ...bAtt display will be activated If one of the two displays appears before during or immediately after subsequent corner correction the batteries should be replaced and subsequent corner correction repe...

Страница 15: ...etected the display will read E 3 A few seconds later it starts to flash showing the weight to be placed on the scale The weight displayed should now be placed in the corner diagonally opposite to cor...

Страница 16: ...es and or power pack if present Voltage supply defective Check cabling see section 4 Scale does not start Keypad defective or not connected Check cable connections check cabling and keypad for disconn...

Страница 17: ...or messages are displayed in the following form E xx E Error xx Error number see Table 4 Displayed Cause Remedy E 11 Load cell defective supply leads damaged or electronics defective Diagnosis with se...

Страница 18: ...displayed in the following form E mm xx E Error mm Number of the module reporting the error 10 weight calculation 11 electronic display xx Error number Table 5 Displayed Cause Remedy E XX 11 Load cel...

Страница 19: ...point on switch on Protect scale from vibration shocks during start up seca serva Recalibrate scale E XX 40 EEPROM data incorrect Replace electronics E XX 60 Communication error Check modular cable b...

Страница 20: ...ion If this is not available another option is to use a multimeter Measurement with a multimeter is however not as conclusive so this method should always be second choice here 4 2 1 Testing load cell...

Страница 21: ...nd white 250 300 Sig Sig V V and aluminum body of load cell 1000 M Table 7 Resistances 952 956 W gezelle Load cell Speisung Feed Br cke Bridge See the relevant wiring plan for the assignment of design...

Страница 22: ...ed before the electronics are replaced To do so remove inserted batteries and or disconnect the power pack Release all screwed connections on the electronics as appropriate to make unsoldering of the...

Страница 23: ...ces item B must be additionally secured after soldering with a dot of glue to stop them from accidentally becoming detached and touching each other e g due to mechanical loading or a defective soldere...

Страница 24: ...ca 03 04 2013 JEG 23 24 30 34 00 864 6 Appendices A Activation element for manual calibration B Battery connection Figure 8 Electronic subassembly 08 06 18 142 Figure 9 Electronic subassembly 08 06 18...

Страница 25: ...Appendices seca 03 04 2013 JEG 24 24 30 34 00 864 Figure 10 Electronic subassembly 08 06 18 149 Figure 11 Electronic subassembly 08 06 18 147 B A...

Страница 26: ...black Vin POWER SUPPLY SOCKET BATT 8 7 6 5 4 3 2 1 5 6 7 8 A B C D E F B C D E F Ma stab SCALE Werkstoff MATERIAL Benennung TITLE Nr NO 1 1 Kabelplan Mod 334LC 335LC cable plan mod 334LC 335LC 08 02...

Страница 27: ...Replacement seca 334 LC 335 LC 12 11 2012 SSC 1 6 30 34 00 752a...

Страница 28: ...ons against electrostatic charging ESD protection measures 3 1 Replacing the electronics unit and buttons 4 1 1 Replacing the electronics unit 4 1 2 Replacing the button module 5 2 Replacing the load...

Страница 29: ...ESD protective measures electrostatic discharge must be taken whenever work is performed on electronic components Please observe the following precautions so that you can safely repair the scale x Gr...

Страница 30: ...ectronics unit and buttons Please be sure to observe the sequence listed below when removing fitting the parts 1 1 Replacing the electronics unit x Unscrew the frame A x Unsolder the cables and loosen...

Страница 31: ...Replacement seca 334 LC 335 LC 12 11 2012 SSC 5 6 30 34 00 752a 1 2 Replacing the button module x Unsolder the button module and loosen the screws C Figure 3 Button module C...

Страница 32: ...g fitting the parts 2 1 Replacing the load cell x Unsolder the load cell from the electronics unit D x Unscrew the load cell E from the platform Figure 4 Remove the platform 3 Fitting the replacement...

Страница 33: ...ontact spring 03 7 A010703005009 Battery contact button 03 8 A011305201009 Foot 01 9 A654210211009 Mains socket 10 10 A080612091009 Load cell 5 5kg 25 11 A011301221009 Rubber Load cell 05 12 A02121223...

Страница 34: ...ontact spring 03 7 A010703005009 Battery contact button 03 8 A011305201009 Foot 01 9 A654210211009 Mains socket 10 10 A080612091009 Load cell 5 5kg 25 11 A011301221009 Rubber Load cell 05 12 A02121223...

Страница 35: ...7 A010703005009 Battery contact button 03 8 A011305201009 Foot 01 9 A654210211009 Mains socket 10 10 A080612091009 Load cell 5 5kg 25 11 A011301221009 Rubber Load cell 05 12 A021212231009 Tray pre as...

Страница 36: ...Spare parts drawing seca 334 LC 335 LC 21 01 2013 SSC 1 30 34 00 749b Figure 1 exploded view...

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