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CONDITION
POSSIBLE CAUSE
CORRECTION
Plow doesn’t lift
1. Low hydraulic fl uid level.
1. Add fl uid to proper level
or lifts
slowly –
2. Discharged battery.
2. Recharge battery.
motor operates
3. Leaking or open “S1” cartridge.
3. Clean or replace “S1” cartridge.
4. Malfunctioning Hydraulic Unit.
4. Replace Hydraulic Unit.
Motor doesn’t
1. No current to Motor Solenoid
1. Locate malfunction and repair.
operate
(small red wire)
(Check controller)
2. Small purple wire not grounded
2. Ground small purple wire
3. Malfuctioning Motor Solenoid
3. Replace motor Solenoid
4. Malfunctioning motor
4. Replace motor
5. Malfunctioning Hydraulic Unit
5. Replace Hydraulic Unit
Plow doesn’t
1. No current to “S1” coil.
1. Locate malfunction and repair.
lower
(white and black with white stripe wires)
(Check controller)
2. “S1” cartridge jammed in closed position. 2. Replace “S1” cartridge.
3. Inoperative “S1” coil.
3. Replace “S1” coil.
(black with white stripe & white wire)
(black with white stripe & white wire)
Plow creeps down
1. Leaking “S1” cartridge.
1. Clean or replace “S1” cartridge.
2. Leaking Raise Cylinder.
2. Replace Raise Cylinder.
Troubleshooting Guide for The Meyer Utility Plow Auto Angling
CONDITION
POSSIBLE CAUSE
CORRECTION
Plow does not lift
1. Low hydraulic fl uid level.
1. Add fl uid to proper level
or lifts
slowly –
2. Discharged battery.
2. Recharge battery.
motor operates
3. Leaking or open “S1” cartridge.
3. Clean or replace “S1” cartridge.
4. Motor turning counter clockwise 4. Check wiring to motor solenoid
(T1 should be energized)
– Check Controller – Replace motor solenoid.
5. Malfunctioning Hydraulic Unit. 5. Replace Hydraulic Unit.
Plow Angles Right
1. Leaking or open “S2” cartridge. 1. Clean or replace “S2” cartridge.
when Raise
2. Wiring not correct
2. Check wiring harness
switch is pressed
3. Bad Controller
3. Replace Controller
Motor doesn’t
1. Check red and black wires at battery. 1. Clean and tighten connection
operate
2. No current to Motor Solenoid.
2. Locate malfunction and repair.
(small red wire T1 & small black wire T2) (Check controller)
3. Malfuctioning Motor Solenoid
3. Replace motor Solenoid
4. Malfunctioning motor.
4. Replace motor.
5. Malfunctioning Hydraulic Unit. 5. Replace Hydraulic Unit.
Plow doesn’t
1. No current to “S1” coil.
1. Locate malfunction and repair.
(Check controller)
lower
(black with white stripe & white wire)
2. “S1” cartridge jammed in
2. Replace “S1” cartridge.
closed position.
3. Inoperative “S1” coil.
3. Replace “S1” coil.
(black with white stripe & white wire) (black with white stripe & white wire)
Plow creeps down
1. Leaking “S1” cartridge.
1. Clean or replace “S1” cartridge.
2. Leaking Raise Cylinder,
2. Replace Raise Cylinder or hose.
hose or fi tting.
Plow does not
1. No current to “S2” coil.
1. Locate malfunction and repair.
(orange & black w/white stripe wire)
angle Left
(orange and black w/white stripe wire)
2. Motor tuning clockwise.
2. Check wiring of motor solenoid.
(T2 should be energized)
– Check Controller – Replace motor solenoid.
3. Bad”S2” valve.
3. Replace “S2” valve.
Plow does not
1. No current to “S2” coil.
1. Locate malfunction and repair.
(orange & black w/white stripe wire)
angle Right
(orange and black w/white stripe wire)
2. Motor tuning counter clockwise. 2. Check wiring of motor solenoid.
(T1 should be energized)
– Check Controller – Replace motor solenoid.
3. Bad”S2” valve.
3. Replace “S2” valve.
Motor
Solenoid
S1
Raise X
Lower
X
Motor
Solenoid
S1
S2
Raise X
(T1)
Lower
X
Left X
(T2)
X
Right X
(T1)
X
“X” are the energized items.
“X” are the energized items.
15
Troubleshooting Guide for The Meyer Utility Plow Power Angling
24
7, 12, 13, 15, 16, 17, 19, 20, 21
SAFETY PRECAUTIONS -
See pages 2-3 for defi nitions
Summary of Contents for Utility Plow
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