Meyer Drive Pro - Power Unit Diagnosis: Motor and Creep Issues; Motor Not Operating; Plow Lowering or Creeping Problems

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Electric Hydraulic Power Unit Diagnosis
Chart
MODEL CONDITION POSSIBLE CAUSE CORRECTION
All Motor does not operate. 1. Discharged or defective battery. 1. Recharge or replace battery.
Power 2. Loose or corroded electrical connections. 2. Clean and tighten electrical connections.
Angling 3. Inoperative starter solenoid. 3. Replace starter solenoid.
Models 4. Malfunctioning control switch. 4. Replace control switch.
5. Malfunctioning motor. 5. Repair or replace motor.
All Plow does not lower. 1. No current to “A” coil. (black and white wire) 1. Locate malfunction and repair.
Power 2. “A” cartridge jammed in closed position. 2. Clean or replace “A” cartridge.
Angling 3. Inoperative “A” coil. (black and white wire) 3. Replace “A” coil. (black and white wire)
Models 4. Lower Adj. screw 4. Adj lower Adj. screw
All Plow creeps down. 1. Leaking “A” cartridge. 1. Clean or replace “A” cartridge.
Power 2. Leaking “A” cartridge O-ring. 2. Replace O-ring.
Angling 3. Leaking “B” check valve. 3. Clean or replace “B” check valve.
Models 4. Leaking Ram Packing Cup. 4. Replace Ram Packing Cup.
5. Leaking O-ring at bottom of lift cylinder. 5. Replace O-ring.