Wheel System, Traction207Service Manual – Floortec R 870Drive System Electronic Board Error Codes TableNo. offlashes ofthe warninglight (A)MEANING FIRST PROCEDURE IF THE PROBLEM PERSISTS2 Not active - -3 Potentiometer wiring harnesserrorCheck the pedal wiring harness R1 Repair the wiring harness or replacethe pedal4 Potentiometer activated atstart-upCheck that the pedal is not pressed (thepotentiometer output must be <1V as to thebattery negative terminal)Replace the pedal or perform thecalibration procedures describedabove5 Thermal protection Allow the electronic board to reduce the innertemperature while leaving the machine stopped fora few minutesCheck the amperage of the drivingwheel6 Damaged power stage Replace the EB1 electronic board -7 Overcurrent Check the amperage of the driving wheel -8 Open external electromagneticswitchCheck the ES0 electromagnetic switch operationand the electronic board power wiring harnessintegrity.Replace the EB1 electronic board9 Undervoltage Check the battery voltage Replace the damaged batteries10 Overvoltage Check the battery voltage and the powerconnection tightening-11 Amperometric protection Check the amperage of the driving wheel -12 Not active - -13 Switching off sequence detected Check the machine switch on control wiringharness from SW0 to SW1 to K4Replace SW0, SW1, K4.14 EEPROM error Switch on the machine again Replace the EB1 electronic boardAP200195
