38
12) SPEED INACCURATE OR UNSTABLE
(SPEEDOMETER DRIVE SPEED
SENSOR).
13) RATE READS "0000".
14) RATE INACCURATE OR UNSTABLE.
15) CAN NOT VARY RATE IN MANUAL
OPERATION OR IN AUTO.
1) Wiggle cable at the Speed Sensor
connector. If speed is displayed,
tighten connector or replace
Transducer Assembly.
2) Check Speedometer Cable Adapter,
Key, and Transducer Assembly for
proper connections and engagement.
3) Check for kinked speedometer cable
or too sharp of bend.
4) Replace Speedometer Transducer
Assembly.
1) Verify SPEED is registering
accurately. If SPEED is zero,
refer to Troubleshooting Problem 10.
2) Verify TOTAL VOLUME is registering
flow. If not, refer to Troubleshooting
Problem 17.
1) Verify that all numbers "keyed in"
Console are correct. Verify SPEED
is registering accurately. If SPEED is
inaccurate, refer to Troubleshooting
Problem 11 or 12.
2) In MAN (manual) operation, verify that
RATE display (GPA) holds constant. If
not, refer to Troubleshooting Problem 18.
3) In MAN (manual) operation, check low end
and high end pressure range. Pressure
range must be per initial system setup. If
pressure cannot be adjusted manually,
refer to Troubleshooting Problem 15.
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.
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