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HIGHWAY EQUIPMENT COMPANY
48
97373-A
Page Rev. A
TROUBLESHOOTING
Symptom: Spinner motors do not turn when spinner control valve is in running position or conveyor does not
run in manual mode. See reasons 1, 2, 3, 4, 5, 7, 8 & 9.
Symptom: Spinners turn but conveyor does not run in manual mode. See reasons 6, 8, 9, 10 & 11.
Symptom: Console in operation mode, but the conveyor does not move when the machine moves. See
reasons 6, 8, 9, 10 & 11.
Symptom: Spinner speed does not stay constant. See reasons 4, 5, 12, 13 & 14.
Symptom: Spinners run with cab control in “Off” position. See reason 15.
Symptom: Hydraulic oil overheats (200° F. or hotter). See reasons 1, 4, 6, 16, 17, 18 & 19.
Symptom: Light flashes and buzzer sounds intermittently. Conveyor runs in jerks. See reasons 20, 21, 22 &
27.
Symptom: Conveyor does not run with cab control “On”, PTO engaged and vehicle driving forward. See
reasons 23, 24 & 25.
Symptom: Conveyor runs when control switch in cab is in “Off” position. See reasons 16 & 26.
Symptom: Conveyor starts to run when PTO is engaged. See reasons 16, 23, 26 & 27.
Symptom: Controller application or programming. Refer to the control manual’s Troubleshooting section.