Sno-Way 28V Series, Owner'S Manual, Page: 17 / 32

16
Unit will not lower
NOTE: In down pressure mode
only
See all above conditions Refer to Dealer
Raise lower ram defective allowing
movement in one direction only Refer to Dealer
Defective Control Unit Refer to Dealer
Defective down pressure solenoid Refer to Dealer
Machine failure Refer to Dealer
Motor will not run Motor brushes worn/commutator
worn or dirty Refer to Dealer
Seal between motor and pump
defective allowing oil to enter motor
housing Refer to Dealer
Defective Start Solenoid Refer to Dealer
Motor seized Refer to Dealer
Machine failure Refer to Dealer
Blade wing moves in one
direction only Solenoid valve sticking or defective Refer to Dealer
Crossover relief valve defective or
sticking Refer to Dealer
Low or no current available at extend
or retract solenoid valve Refer to Dealer
Angle cylinder defective allowing
movement in one direction only Refer to Dealer
Machine failure Refer to Dealer
Blade wing will not move Hydraulic fluid level low See Maintenance Section
Crossover pressure relief valve
setting too low Refer to Dealer
Solenoid valve sticking or defective Refer to Dealer
Low or no current available at
solenoid valve Refer to Dealer
Wing cylinder binding or frozen Refer to Dealer
Pick up tube not submerged in fluid See Maintenance Section
Machine failure Refer to Dealer
Blade wing will not move, but
plow raises when trying to move
wings Raise solenoid valve defective or
sticking Refer to Dealer
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION