Kinze 4900 - TROUBLESHOOTING; Solenoid Valve and PTO Pump Troubleshooting

M0290-01Model 4900
7-6 Rev. 8/19
TM
Troubleshooting
SOLENOID VALVE
PROBLEM POSSIBLE CAUSE SOLUTION
No solenoids operate. Low voltage. Must be connected to 12 volt DC only.
Negative ground.
Blown fuse. Replace control console fuse with AGC-15 amp.
Battery connection. Clean and tighten.
Wiring harness damaged. Repair or replace.
One solenoid valve will not
operate.
Bad switch. Replace on control panel.
Cut wire in harness. Locate and repair.
Bad coil. Replace.
Poor connection at coil. Check.
Valve operating when not
energized.
Valve stem stuck open. Replace cartridge.
O-ring leaking. Install new O-ring kit.
Foreign material under poppet. Remove and clean cartridge.
PTO PUMP DRIVE AND OIL COOLER OPTION
PROBLEM POSSIBLE CAUSE SOLUTION
Pump is squealing. Lack of oil to pump. Check for plugged suction strainer.
Check oil level.
Oil temperature high. Low oil level. Check oil level and add as required.
Desired fan speed cannot be
achieved.
Low oil level. Check oil level and add as required.
Plugged filter. Check and change as required.
BLUE DRIVE
Refer to M0288 - Kinze Blue Vantage Operator’s manual for Blue Drive / Blue Vantage troubleshooting.