QB Series - Rice Lake Weighing Systems

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DB-25ConnectionTXD 2RXD 3GND 7DCD 8RTS 4CTS 5DSR 6DTR 20Jump pins8, 4, and 5Jump pins6 and 203 RXD4 TXD5 GND12 DTRDIN-5BalanceConnectionsFigure 5-2. Connection to a Computer5.3 AccessoriesRLWS Part NumberDescription42566 115 VAC adapter for QB/MB Series balances42168 230 VAC adapter for MB/QB/IB Series balances42171 Internal rechargeable battery for QB Series (incompatible with PN 42174 below)42174 RS-232C interface for QB Series (incompatible with PN 42171 above) includes DIN-5 pin connector(cable not included)42177 Glass breeze break for QB Series (scales with round weighing pans only)42181 In-use cover41555 Limit output pack42194 Additional operating manualTable 5-12. MB Series Balance Accessories24 QB Series Operation Manual
6.0 TroubleshootingThe following section contains a troubleshooting chart for the QB Series scale. Refer to this chart to locatecauses and corrective actions to various conditions.Condition Cause Corrective ActionDisplay does notstabilizeDisplayed value is inerrorWeight value is drifting•Wind or vibration is affecting scale• Scale is set on unstable surface• Span is out of calibration•Tare value entered incorrectly• Balance is not set level• Span is out of calibration• Interference with weigh pan or pansupport• Set up balance elsewhere or under aprotective hood• Set the scale on a firm surface that is freefrom vibrations• Level the scale• Perform span and zero adjustment• Clear and re-enter tare value• Set balance level• Perform span adjustment• Check for foreign material under weigh panor weigh pan supportLinearity error • Mechanical adjustment has changed • Consult your local Rice Lake WeighingSystems Service distributorDisplay is blankComparator limits cannot be establishedBalance does not weighto nominal capacity• Adapter is not connected• Battery needs recharging• Auto Power OFF is activated.• Device is not set to comparator mode• Reference value is greater than thenominal capacity of the device• Lower limit value is ≥ upper limit value•Tare + sample weight exceeds capacity•(Weight range = maximum capacity –tare weight)• Connect AC adapter to the scale and 120VAC outlet• Recharge battery•Press the ON/OFF key•Turn on comparator mode• Change reference value• Change lower limit value• Add the individual weights of the tare andthe commodity to determine if together theyare more than the nominal capacity of thedeviceb-ERR • Electronic malfunction due toelectro-static discharge (ESD) orelectro-magnetic interference (EMI)• Consult your local Rice Lake WeighingSystems distributorL-ERR• In counting mode, the unit weight of thesamples is less than the minimumdivision of the device• This commodity can not be counted withthis deviceO-ERR • Capacity is exceeded • Use a test mass to ensure the balance canweigh to its rated capacity• Ensure that the commodity being weighedis not in excess to the nominal capacity ofthe balance• Consult your local Rice Lake WeighingSystems distributorU-ERR• Interference with the weighing pan orweighing pan support• Remove interferenceTable 6-1. Troubleshooting ChartTroubleshooting 25
Page 4: 6.0 Troubleshooting ...............
Page 16 and 17: 2.9 Operating the Counting Function
Page 18 and 19: 3.0 Span CalibrationTo achieve opti
Page 20 and 21: Display Setting Function Descriptio
Page 22 and 23: 9. Using Table 4-1 on page 15 as a
Page 24 and 25: Unit of Measure(Display Symbol) QB-
Page 26 and 27: Units(U1, U2 = 2 words, based on AS
Page 30 and 31: Condition Cause Corrective Action1
Page 32: QB Series Limited WarrantyRice Lake

QB Series - Rice Lake Weighing Systems

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