Johnston VT501 - Page 193

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MA8:13
V Range 501 l 651 l 801 Maintenance Manual
Johnston Sweepers Limited
Chapter - Fault Diagnosis
Page Issue A
EMCY Code Type Description of Fault
System Locker Node - ID 16 Area of Fault
PowaPak Node - ID 22 Area of Fault
Hydrostatic Node - ID 24 Area of Fault
Hopper Node - ID 18 Area of Fault
9136 Digital Output 9 No Load CB 1 Water Rotatilt #2- Rotatilt #2- Rear Beacons 9137 Digital Output 10 No Load Gutter Spray 1 Not Used Used as Input Supawash 9138 Digital Output 11 No Load CB 2 Water Used as Input Hydrostatic Reverse Output Used as Input 9139 Digital Output 12 No Load Gutter Spray 2 Ignition Output Aux engine Gearbox Sensors Output Used as Input 9140 Digital Output 13 No Load Nozzle 1 Water Combivak Nozzle #1 Not Used Used as Input 9141 Digital Output 14 No Load Nozzle 2 Water Combivak Nozzle #2 Fan Control Used as Input 9142 Digital Output 15 No Load Body Discharge Work Lamp RH Work Lamp RH Auto Lube Power 9143 Digital Output 16 No Load Additional Water Work Lamp LH Work Lamp LH External Discharge Pump Run 12320 5V Reference 5V Rail Failure Not Used Power for Analogue Inputs Power for Analogue Inputs Power for Analogue Inputs 12323 Standard Feed Power Input Low Battery Voltage 12324 Standard Feed Power Input High Battery Voltage 16896 General Internal Temp 16928 Analogue Output Power Dissipation WSB Balance Regulator LH WSB Balance Regulator RH WSB Balance Regulator RH Not Used 20481 Safety Feed Power Input Safety Switch Failure 20482 General Internal Comms Failure 20992 H-Bridge Output Lock Out Rear Warning/Work Lights Not Used Not Used Powaboom Raise/Lower 21248 - Lock Out System Locker IO Node Powapak IO Node Hydrostatic IO Node Hopper IO Node 21264 Digital Outputs 1-16 Lock Out System Locker IO Node Powapak IO Node Hydrostatic IO Node Hopper IO Node 21760 Analogue Output Lock Out WSB Balance Regulator LH WSB Balance Regulator RH WSB Balance Regulator RH Not Used 32769 General System Parameter Reset 33025 General PDO -1 Timeout 33026 General PDO -2 Timeout 33027 General PDO -3 Timeout 33028 General PDO -4 Timeout 33057 General CAN Failure CAN Hi, CAN Lo wires crossed CAN HI, CAN Lo wires crossed CAN HI, CAN Lo wires crossed CAN HI, Can Lo wires crossed 36864 Digital Output 1 Short to ground WSB Motor Engine Starter Solenoid AntiSkid Valve Rear Door Open 36865 Digital Output 2 Short to ground CB 1 Motor Autolube Level Switch/ESOS Valve(85kW) V41 Rear Door Close 36866 Digital Output 3 Short to ground CB 1 retract Engine Heat Start V42 Rear Door Release 36867 Digital Output 4 Short to ground CB 1 extend Discharge Audible Warning Discharge Audible Warning Rear Door Lock 36868 Digital Output 5 Short to ground CB 2 motor Water Supply Shut-off Water Supply Shut-off Hopper Raise 36869 Digital Output 6 Short to ground CB 2 retract Rotatilt #1+ Rotatilt #1+ Hopper Lower 36870 Digital Output 7 Short to ground CB 2 extend Rotatilt #1- Rotatilt #1- Not Used 36871 Digital Output 8 Short to ground WSB Spraybar Rotatilt #2+ Rotatilt #2+ Cowl Worklight 36880 Digital Output 9 Short to ground CB 1 Water Rotatilt #2- Rotatilt #2- Rear Beacons