Slide 95
9.
Drive
9.2.2 Service codes DMC control unit - Rear
Code
Name
Description
Remedy
Hard Error Faults - Immediately stops pulsing and open line contactor - Cannot be reset (only by a key switch recycle)
20
Hardware over current trip
Motor Over current
Check Motor and Motor wiring
21
Contactor Coil driver fault
Coil of Line Contactor or Magnetic Brake short
circuit
Check Line contactor (-K03) and Magnetic Brake
(-M02) and it´s wiring
22
Battery Voltage is too high
Voltage > 67V
Excessive downhill ride?
23
Mosfet short circuit to Batt minus
Low side Mosfet short circuit in neutral position
Check Motor Insulation, if OK, replace drive Control Unit
24
Hardware Fail safe fault
Hardware safty problem
Check wiring. Replace Drive Control Unit.
25
Line Contactor failure
Relais Contacts are not closed within it´s time
Specification
Check the wiring of the line contactor (-K03)
Battery Voltage too low?
E-stop in Key switch circuit is active
Difference in the voltage between -A05.B+ and -A05.A10
during start up check
Open circuit from B+ to B- (Fuse -F04)
Summary of Contents for Scrubmaster B260 R
Page 64: ...Slide 64 Figure 7 2a Figure 7 2b 7 Mechanical components 7 1 Squeegee...
Page 66: ...Slide 66 Figure 7 4 7 Mechanical components Height adjustment 7 1 Squeegee...
Page 100: ...180 130 170 150 120 Figure 9 5 Slide 100 9 Drive 9 2 4 Steering angle sensor...
Page 121: ...Slide 121 14 Notes...