Slide 85
9.
Drive
9.1.2 Service codes DMC control unit - Front
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 (-K02)
and Magnetic Brake(-M01)
22
Battery Voltage is too high
Voltage > 67V
Excessive downhill ride?
23
Mosfet short circuit in neutral
Low side Mosfet short ciionrcuit 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 of -K02 are not closed
within it´s time Specification
Check the wiring of the line contactor (-K02)
Battery Voltage too low?
E-stop in Key switch circuit is active
Difference in the voltage between A04.B+ and
A04.A10 during start up check
Open circuit from B+ to B- (Fuse -F03)
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...