Troubleshooting Guide
System Diagnosis
Troubleshooting Guide
HD-R10doc072619
6-5
6
Blown lube pump fuse(F10)
Check lube pump fuse(F10)
Replace if necessary
Faulty lube pump relay(1M3)
While attempting to run the lube
pump: Check the status of the LED
on the relay: Solid on for constant
flow, blinking for pulse flow.
Check for 12VDC on the coil
Check for 12VDC on the output
Replace if necessary
Faulty lube pump(M3)
While attempting to run the lube
pump:
Check for 12VDC at the motor con-
nector
Replace if necessary
Auto-clutch not working
Tripped auto-clutch
breaker(CB4)
Reset the breaker
Faulty auto-clutch relay(1M4)
While attempting to cycle the
Auto-clutch:
Check to see if the LED on the relay
is on
Check for 12VDC on the coil
Check for 12VDC on the output
Replace if necessary
Faulty auto-clutch motor(M4)
While attempting to cycle the
Auto-clutch:
Check for 12VDC at the motor con-
nector
Replace if necessary
Auto-clutch not stopping
Faulty sensor(B1 or B2)
Check the status of the sensors while
the auto-clutch is running on the
Head ECU I/O diagnostic screen
Replace if necessary
Faulty auto-clutch relay(1M4),
contact welded
If the LED of the relay is off, the con-
tacts have welded
Replace if necessary
Blade Guide not working
Tripped blade-guide
breaker(CB5)
Reset the breaker
PROBLEM
CAUSE
SOLUTION
