16992440 Rev A
15
TROUBLESHOOTING (continued)
Symptom/Diagnostic
Result
FIX
Check S1A VALVE for contamination
Poppet must move freely, and seat area
must be clear of any debris
Remove S1A VALVE and check free movement of
poppet, clean any chips/debris from valve
Replace S1A VALVE
LEFT OR RIGHT WING WON'T EXTEND
Status light blinks 5 times
Continuity Problem
Check BLUE/WHT WIRE/S4 and S5 COILS
Check voltage at S4 (LEFT) or S5 (RIGHT) VALVE
coil
If no voltage present, check cable and
connections
Replace/repair cable or connections
Confirm BLU/WHT wire at S4/S5 VALVES
Check S4/S5 VALVE for contamination
Poppet must move freely, and seat area
must be clear of any debris
Remove S4/S5 VALVE and check free movement
of spool, clean any chips/debris from valve
Replace S4/S5 VALVE
LEFT OR RIGHT WING WON'T RETRACT
Status light blinks 6 times
Continuity Problem
Check GRN/WHT WIRE/S7 VALVE
Status light blinks 7 times
Continuity Problem
Check ORG/WHT WIRE/S6 VALVE
Check voltage at S6 (LEFT) or S7 (RIGHT) VALVE
coil
If no voltage present, check cable and
connections
Replace/repair cable or connections
Confirm ORG/WHT wire at S6 and GRN/WHT
wire at S7
Check S6/S7 VALVE for contamination
Poppet must move freely, and seat area
must be clear of any debris
Remove S6/S7 VALVE and check free movement
of spool, clean any chips/debris from valve
Replace S6/S7 VALVE
"Angle Left" and "Angle Right" don't work
Check voltage at S8 VALVE coil
If no voltage present, check cable and
connections
Replace/repair cable or connections
Confirm BLUE/BLK wire at S8 VALVE
Replace RELAY MODULE
Check S8 VALVE for contamination
Poppet must move freely, and seat area
must be clear of any debris
Remove S8 VALVE and check free movement of
spool, clean any chips/debris from valve
Replace S8 VALVE
PLOW DRIFTS WHILE PLOWING SNOW
Air in Fluid
Bleed air from system
Slightly loosen fittings to angle cylinders and
angle the plow. Tighten fittings while fluid is
escaping. Do this over an absorbent mat, or hold
a rag over fitting to absorb excess fluid.
Check CHECK VALVES for contamination
Poppet must move freely, and seat and
piston area must be clear of any debris
Remove CHECK valves and clean
Replace CHECK valve
Check RELIEF valves for contamination
Poppet must move freely, and seat must be
clear of any debris
Remove RELIEF valves and clean
Replace RELIEF valves
WINGS SCOOP WHEN RIGHT OUT IS PRESSED
Status light blinks 3 times
Continuity Problem
Check GRN WIRE/S2A AND B COIL
Check S2A and S2B VALVES for contamination
Problem goes away when relay module is
disonnected
Relay module is faulty
Replace RELAY MODULE
WINGS SCOOP WHEN LEFT OUT IS
PRESSED
Status light blinks 4 times
Continuity Problem
Check ORG WIRE/S3A AND B COIL
Check S3A and S3B VALVES for contamination
Problem goes away when relay module is
disonnected
Relay module is faulty
Replace RELAY MODULE
