Troubleshooting guide Page 60/62LMS_MDS2000_BA_99_10024. Troubleshooting guide4.1 Explanations for the transaction end codes printed on each transaction ticket0 Means that the transaction has been stopped after the inactive timeout:- It's normal in free dispense mode- The preset quantity has not been totally dispensed1 In preselect mode, the preset quantity has been totally dispensed: Completed2 Input error in the pulses sequence: For quadrature pulseres only3 Count error: Missing pulse in quadrature pulsers only4 It means that the power has been shut down during the transaction: Powerdown5 The transaction has been stopped by the emergency procedure ("..."): Systeminactive6 IOP error: Microprocessor error7 Unauthorised transaction: For approved systems only, quantity dispensedbetween 0,5 Lt and 100 Lt.4.2 Procedure to change the battery- Test of the RAM "MAX690" next to the battery:- With power 24 VDC: Pin 3 (-) Pin 7 (+) = 5 VDC- Without power 24 VDC: Pin 4 (-) Pin 8 (+) = 3 VDC (2 VDC min)- Print a diagnostic and your reports by security.- Under tension, remove the battery and replace it by a new one.- Battery's references: Lithium Manganese Battery3 VDC – 180 mAH – Type CR2032Dimensions: L: 2.3mm Diam: 20.0mmLifetime: +/- 2 years