Toro Reelmaster 5010- H Service Manual page 169

Fault Code
83 Logic voltage over 67.5 VDC has disabled #2
cutting unit
84 Logic voltage over 67.5 VDC has disabled #3
cutting unit
85 Logic voltage over 67.5 VDC has disabled #4
cutting unit
Reelmaster 5010- H
Fault Description
Page 5 - 29
Service Suggestions
If multiple cutting units are reporting this fault,
check 48 VDC batteries and motor/generator
operation
If 48 VDC batteries are at correct voltage with
engine OFF, consider connections between
motor/generator and motor/generator con-
troller are loose or faulty
If TEC controller has lost communication with
motor/generator, engine speed will not be
controllable and this fault may be displayed
NOTE: If all 48 VDC components (motor/gen-
erator and cutting unit motors) have this fault,
system fault 31 will be displayed on the Info-
Center
If multiple cutting units are reporting this fault,
check 48 VDC batteries and motor/generator
operation
If 48 VDC batteries are at correct voltage with
engine OFF, consider connections between
motor/generator and motor/generator
controller are loose or faulty
If TEC controller has lost communication with
motor/generator, engine speed will not be
controllable and this fault may be displayed
NOTE: If all 48 VDC components (motor/gen-
erator and cutting unit motors) generate this
fault, system fault 31 will be displayed on the
InfoCenter
If multiple cutting units are reporting this fault,
check 48 VDC batteries and motor/generator
operation
If 48 VDC batteries are at correct voltage with
engine OFF, consider connections between
motor/generator and motor/generator
controller are loose or faulty
If TEC controller has lost communication with
motor/generator, engine speed will not be
controllable and this fault may be displayed
NOTE: If all 48 VDC components (motor/gen-
erator and cutting unit motors) have this fault,
system fault 31 will be displayed on the Info-
Center
Electrical System