Fill reservoir.

Improper electrical connections.

Check and repair.

Leak on suction lines.

Tighten fittings.

Remote fill connector stuck open.

Repair and/or replace.

Manually operated and pressure switches malfunction.

Replace.

Filter plugged.

Clean or replace.

Improper grease viscosity and/or cold weather.

Use recommended lubricant.

Grease pump not working.

Check cartridge valve or cartridge valve solenoid. (See your John Deere dealer.)

Faulty grease low-pressure switch.

Replace switch on manifold at front axle.

Check and/or replace.

Improper hose routing.

See your John Deere dealer.

Foreign material in grease manifolds.

Clean.

Improper grease viscosity and/or cold weather.

Use recommended lubricant.

Replace.

Wires worn and shorted out against unit.

Repair wires.

Pressure switch defective.

Replace.

Check system for leak and repair. Fill reservoir to appropriate level.

Air trapped in system.

Purge air using bleed screw on grease pump.

Break in power to valve coil.

Inspect electrical connectors and harness. Repair as needed.

Reverse lines.

Improper grease viscosity and/or cold weather.

Use recommended lubricant.

Bad connection between the pumps.

Repair or replace connections.

See your John Deere dealer.

Crimped or damaged hoses.

Repair or replace hoses.

Air lock in system between tank and transfer pump.

Open bleed screw on side of transfer pump to bleed air.

Seat switch active.

Operator cannot be in seat.

DP99999,0000819-19-20120126