Raven Spra-Coupe SCS 460 Operator's Manual page 35

15) CAN NOT VARY RATE IN MANUAL
OPERATION OR IN AUTO.
16) SPRAYER PRESSURE IS CORRECT BUT
RATE IS LOW.
17) TOTAL VOLUME DOES NOT REGISTER.
18) TOTAL VOLUME REGISTERS FLOW
INACCURATELY.
19) MOTORIZED CONTROL VALVE ROTATES
MORE THAN 1/4 TURN.
20) WATER INSIDE COVER OF MOTORIZED
CONTROL VALVE.
21) BOOM SOLENOID(S) WILL NOT
OPERATE.
4) If problem persists, return Console
to Dealer to replace Processor
Board Assembly.
1) Check cabling to motorized Control
Valve for breaks.
2) Check connections in cabling for
cleanliness.
3) Verify that there is voltage at the
valve connector by placing MASTER
switch ON; RATE 1/RATE 2/MAN switch
to MAN; and POWER switch to ON.
Manually operate INC/DEC switch
to verify voltage.
4) Verify that valve is turning, if
not, replace motorized Control
Valve.
1) Verify that nozzle strainer screens
or check valves are not plugged.
2) Verify that pressure at each boom
is the same.
3) Verify all nozzles are of proper
and same orifice size. See Page 13
of Installation Manual.
1) Check Flow Meter Cable for breaks
and shorts. See Appendix 5 for test
procedure.
2) Check internals of Flow Meter;
clean and adjust.
for Flow Meter cleaning and
adjustments.
3) Replace Flow Meter Transducer.
1) Verify that arrow on Flow Meter is
pointing in direction of flow. See
Appendixes 6 and 7.
1) Replace motorized Control Valve.
1) Replace Isolation Flange Assembly
and coupler shaft.
2) Replace entire motorized Control
Valve, if PC board or motor is
corroded and will not run.
1) Check cable for wires with breaks.
2) Check connectors for cleanliness.
3) Check BOOM switch and MASTER switch
for operation.
4) Replace Boom Valves.
32
See Appendix 6