Troubleshooting; Understanding The Controllers - Toro Reelmaster 6500-D Service Manual

Troubleshooting

Remove all jewelry, especially rings and
watches, before doing any electrical trouble-
shooting or testing. Disconnect the battery
cables unless the test requires battery voltage.
Understanding the Controllers (RM 6500-D/6700-D Models 03806, 03807, & 03808)
Primary Controller (#1)
Functions:
S Main controller for both the RM 6500-D & 6700-D.
S Contains primary logic program.
S Manages all functions of machine safety and se-
quencing of cutting units.
S "Supervisor" for the RM 6700-D secondary control-
ler (#2).
S Connected to other controller and/or leak detector
by the CAN bus (communication lines between de-
vices).
Fault Identification/Operator Warning:
S Red diagnostic lamp on steering tower and green
diagnostic lamp under control console.
Diagnostics:
S Do troubleshooting by connecting one of the follow-
ing devices to the loopback connector:
- Diagnostic ACE (with the correct overlay).
- TOROPC and a personal computer
(authorized Toro distributor only).
- Data Log System.
Secondary Controller (#2) - RM6700-D Only
Functions:
S Manages the functions of #6 and #7 cutting units
ONLY.
S Needs approval from primary controller (#1) before
executing an operator request.
S Same part number as primary controller, but re-
quires a different software program (on TOROPC
disk).
S Connected to other controller and/or leak detector
by the CAN bus.
Fault Identification/Operator Warning:
S Red diagnostic lamp on steering tower and green
diagnostic lamp under control console.
Electrical System (Rev. C)
CAUTION
For effective troubleshooting and repairs, you must
have a good understanding of the electrical circuits and
components used on this machine (see Electrical Sche-
matics and Wire Harness and Electrical Connector
Drawings in Chapter 8 -- Electrical Drawings).
If the machine has any interlock switches by-passed,
they must be reconnected for proper troubleshooting
and safety.
Red
CAN
bus
Diagnostics:
S Do troubleshooting by connecting one of the follow-
ing devices to the loopback connector:
- Diagnostic ACE (with the correct overlay).
- TOROPC and a personal computer
(authorized Toro distributor only).
- Data Log System.
TurfDefender Leak Detector (Optional)
Functions:
S Warns operator of hydraulic leak with an audible
alarm.
S Drop in retrofit for most existing machines.
Rev. E
Page 5 - 4
Loop-back
connector
1
Primary
Controller (#1)
Green
Diagnostic
lamp
Loop-back
connector
2
Secondary
Controller (#2)
Green
RM 6700-D only
Diagnostic
lamp
Loop-back
connector
Leak
Detector
(Optional)
Audible
diagnostic alarm
Figure 6
Reelmaster 6500-D/6700-D