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LDN 

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12. Trouble Shooting 

 

Repair work on digital crane scale LDN is only allowed by qualified 
technical personnel. 

 
 
If the advice does not bring any success, please contact the after sales service. 
 

12.1 Device Errors 

 

Fault Cause 

Corrective 

Display is dark 

No power 

Please check if scale is 
switched on. 

Please check if battery is 
charged. 

Please control the fuse. 

(Only approved version) 

Display shows for a short time ’+’ 
sign after switching on. 

Scale is out of initial zero-
setting range 

Switch off scale, unload the 
scale and switch on again. 

(Only non-approved version)

 

Display flashes 

Scale is overloaded 

Reduce the load inside the 
nominal weighing range (see 
type plate on right side of the 
scale) 

Display shows only the ‘+’ sign 

High overload 

Reduce the weight to a 
permissible value 

It is not possible to switch off the 
scale. 

Electronic error 

Remove fuse and insert it 
again, switch on scale. 

Scale is outside zero-setting 
range 

Please reduce the load inside 
the zero-setting range. 

Scale can not set to zero. 

Scale is set into tare 
weighing mode, Net- LED is 
illuminated. 

Press TARE- Button again to 
quit tare weighing mode. 

 

Содержание EHP LDN 0

Страница 1: ...Art Nr 900030 13 Juni 2006 Digital Crane Scale Type LDN User Manual ...

Страница 2: ... Putting into Operation 1 12 8 5 Charge Procedure 1 13 8 6 Special Instructions to Avoid Sparks 1 13 8 7 Recommendations for Charging Sealed Lead Acid Batteries 1 13 9 Accessories 1 14 9 1 Additional Equipment for Data Transmission 1 14 9 2 Data Protocols 1 14 9 2 1 Extended Data Protocol 1 15 9 2 2 EHP Standard Data Protocol 1 16 10 Technical Specifications 1 17 10 1 Dimensions and Self Weight 1 ...

Страница 3: ... according to the provisions of the directive 89 336 EEC electromagnetic compatibility EMC EN 60950 according to the provisions of the directive 73 23 EEC low voltage directive EN 45501 8 2 non automatic and EC approved weighing instruments according to the provisions of the directive 90 384 EEC This product is marked with the CE sign Bühl September 2005 Stefan Tisch Technical Manager This declara...

Страница 4: ...IDENT PREVENTION REGULATIONS Keep this instruction manual in operation Pay attention that scale and load are placed correctly Do not use any solvents for cleaning of the crane scale to prevent defects and damages in case of defects Repair work is only allowed to be done by qualified personnel See also chapter TROUBLE SHOOTING and ERROR CODES IMPORTANT Please be careful with seals and marks on EC t...

Страница 5: ...tus weighing mode will be reached again by reducing preload under the 20 limit and power off on switching Function Key for Scales Power Off Switches off the scale Power off on switching will reset all crane scale errors reset function Function Key for Test Routine Activates during approx 5 seconds the automatic display segment check and further particulars are displayed For approx 5 seconds displa...

Страница 6: ... repressing TARE button and GROSS weight is displayed again Function Key for Zero Setting Zero Button Sets display to 0 semi automatic zero setting device Zero setting range 1 3 of nominal capacity Zero setting outside semi automatic zero setting range and also in active tare weighing mode is not possible Outside of scales 1 4d range a quarter of verification interval only sign is illuminated ...

Страница 7: ...e is a net weight 5 Sign Symbol Every weight value is displayed combined with its algebraic sign Æ Overload Indication If crane scale is loaded with more than 2e 2x scales verification interval above the nominal capacity range see model type indication plate so display will switch dark and only sign symbol is displayed Normal weighing status is reached again when crane scale is unloaded inside per...

Страница 8: ...and consequently accumulator damage 8 Symbol for the range Shows range 1 or 2 at Multirange systems 9 Receiver diode of IR Transmitter 5 Auto Power Off This instrument is equipped with an automatic power off setting device which is set default deactivated In scales setup mode you can choose a power off setting time between 1 99 minutes To activate this device or changing of setting time please con...

Страница 9: ...collected resp added Scales display value plus additional data will be transmitted via radio to receiver units e g a single weight registration within a total print out will be activated on TELEDATAs integrated printer 5 Non active only possible in combination with dual range scales 6 Press button to activate Print Total Function Through this scales display value plus additional data will transmit...

Страница 10: ... RS232 see accessories to receiver devices 12 Shift Button Press this button to activate numeric keys Now you can input any numbers max 5 digit code between 0 9 blue numbers 13 Symbol for active numeric keys If this LED is illuminated then you can select the blue numbers of IR transmitter numeric block see also Shift Button 14 Transmission Symbol Transmitting remote control is displayed by flashin...

Страница 11: ...er power supply as accumulators supplied by manufacturer Colour code of supply leads plus red minus black 8 Charger Charging It is only allowed to charge the accumulator by original provided EHP charger either by using scales charging plug picture 8 2 or directly picture 8 1 The charger is equipped with an electronic charging current limiting so that it is not possible to overcharge the accumulato...

Страница 12: ... Socket Bottom side of scales battery housing Picture 8 3 Scales plug socket with charging plug Charger Charging plug to connect with scales charging socket Charging plug to connect battery directly 6V Battery Plug socket Fuse socket Fuse 1A fast acting 5x20mm Charging plug ...

Страница 13: ...ient cooling is assured The charger can only be operated in closed rooms and must be protected against moisture 8 3 Functioning of LED 8 4 Putting into operation Compare the rated voltage of type plate of charger with the rated voltage of the battery The charger will be connected with the plug socket of crane scale to charge the battery I the scale To charge the battery outside the scale an adapti...

Страница 14: ...longer storage periods 2 possibilities A Disconnect battery from charger and store it fully charged CAUTION Charge battery for min 36 hours before storage period of 3 months or more B You can leave battery on charge for an unlimited time trickle charge It is recommended to store battery at a cool place High ambient temperatures Charging at temperatures above 30 C is not recommended Your charger is...

Страница 15: ...ntries Note The connection of additional equipment is under control of a metrological verification i e it is not allowed to refer received and printed data to a third party 9 2 Data Protocols 9 2 1 Extended Data Protocol The extended data protocol 23byte which is send via radio transmission serial interface RS232 V24 9600 baud cyclical approx 1 transmission per second has following data format 1 S...

Страница 16: ...m the right of weight value 5 Digit 4 4th digit from the right of weight value 6 Digit 3 3rd digit from the right of weight value 7 Digit 2 2nd digit from the right of weight value 8 Digit 1 1st digit from the right of weight value 9 B N Scale Tare OFF Gross Weight Scale Tare ON Net Weight 10 E 1 2 Single range scale Range I Range II 11 0 1 No standstill Standstill 12 0 1 2 3 4 5 6 7 8 A No button...

Страница 17: ...l input IR transmitter 19 Digit 4 4th digit from the right of numerical input IR transmitter 20 Digit 3 3rd digit from the right of numerical input IR transmitter 21 Digit 2 2nd digit from the right of numerical input IR transmitter 22 Digit 1 1st digit from the right of numerical input IR transmitter 23 03 H End of block 03 Hex 9 2 1 EHP Standard Protocol The standard protocol 18 byte is compatib...

Страница 18: ...5 654 141 90 228 ø22 256 13 5 Net 2 Bat 1 Net 2 Bat 1 110 17 3 ø32 61 6 4 8 42 1 95 290 330 330 66 56 255 140 2 2 7 ø36 19 5 ca 1045 Net 2 Bat 1 290 Net 2 Bat 1 3 8 LDN 5 LDN 0 5 1 2 LDN 10 LDN 20 Technical variations may cause the specifications to change without notice Self weight 12kg Self weight 18kg Self weight 35kg Self weight 48 5kg ...

Страница 19: ... Type AAA Micro LR03 AM4 MN2400 Operation distance of IR transmitter approx 35m with angle 20 Minimal operation time of scale 80 hours Power supply of battery charger 230V AC 50 60Hz Nominal charging time 12 hours Maximum number of verification intervals 2500 divisions acc EC type approval certificate Nominal temperature range 10 C 40 C Temperature range 10 C 50 C EEC protection class IP 54 ...

Страница 20: ...Battery 6V 12Ah 70972 IR transmitter 72061 Electronic pc board LDN 52525 Fast acting fuse 1A 5 x 20mm DIN 41571 72204 Front panel LDN 56639 Protection shield LDN 0 5 5t 61578 Protection shield LDN 10t 72237 Protection shield LDN 20t 72215 Ram protection LDN 10t 20t 72216 Ram protection LDN 5t 66319 Load cell LD 0 5 2t 74690 Load cell LD 5t 69355 Load cell LD 10t 72270 Load cell LD 20t ...

Страница 21: ...f initial zero setting range Switch off scale unload the scale and switch on again Only non approved version Display flashes Scale is overloaded Reduce the load inside the nominal weighing range see type plate on right side of the scale Display shows only the sign High overload Reduce the weight to a permissible value It is not possible to switch off the scale Electronic error Remove fuse and inse...

Страница 22: ...r code see table Therefore weighing is no longer possible Scale will automatically be switched off after approx 5 seconds Error Code Cause Corrective 02 Amplifier input voltage is to low Switch off the scale and switch on again Please contact after sales service 03 Amplifier input voltage is to high Switch off the scale and switch on again Please contact after sales service 04 AD Converter Error S...

Страница 23: ...77815 Bühl Baden Tel 49 0 7223 93660 Fax 49 0 7223 30140 E mail info ehp de www ehp de servizio post vendita after sales service service après vente Kundendienst servicio post venta serviço pós venda Tel 49 0 7223 9366 0 Fax 49 0 7223 30140 ...

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