Operator's Manual

21
MAINTENANCE
TROUBLESHOOTING GUIDE
NO. PROBLEM CORRECTIVE ACTION
1 NO DISPLAY LIGHTS 1. Check fuse on back of Console.
WITH POWER ON 2. Check battery connections.
3. Check operation of POWER ON/OFF
switch.
4. Return Console to Raven, Inc. to replace
Processor Board Assembly.
2 ALL KEYBOARD LIGHTS 1. Return Console to Raven, Inc. to replace
ON AT SAME TIME Face Plate Sub-assembly.
3 A DIGIT CANNOT BE 1. Return Console to Raven, Inc to replace
ENTERED VIA KEYBOARD Face Plate Sub-assembly.
4 AN INDICATOR ON A KEY 1. Return Console to Raven, Inc. to replace
WILL NOT ILLUMINATE Face Plate Sub-assembly and/or
Processor Board Assembly.
5 CONSOLE DISPLAYS 1. Check battery voltage and battery
FLASHING "CAL" WHEN- connections.
EVER VEHICLE ENGINE
IS STARTED
6 CONSOLE DISPLAYS 1. Check battery voltage and battery
FLASHING "CAL" WHEN- connections.
EVER MASTER SWITCH
IS TURNED ON OR OFF
7 CONSOLE DISPLAYS 1. Check battery voltage and battery
"CAL" WHENEVER SPEED connections.
IS CHANGED
8 ONE DISPLAY DIGIT HAS ONE 1. Return Console to Raven, Inc. to replace
OR MORE MISSING SEGMENTS LCD Display Board Assembly.
9 SPEED DISPLAY '0' 1. Check Speed Sensor cable connector and
plug on back of Console for loose pins.
2. Clean pins and sockets on Speed Sensor
cable connectors.
3. Replace Speed Sensor Switch Assembly.
10 SPEED INACCURATE OR 1. Verify "SP3" setting.
UNSTABLE 2. Verify correct SPEED CAL number.
11 RATE READS "0000" 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 16.
12 RATE INACCURATE OR 1. Verify that all numbers "keyed" in Console
UNSTABLE are correct. Verify SPEED is registering
accurately. If SPEED is inaccurate, refer to
Troubleshooting Problem 10.
2. In RATE 1 or 2 operation, verify that RATE
display (GPA) holds constant when SPEED
is held constant. If not, refer to Trouble-
shooting Problem 16.
3. In MAN (Manual) operation with agitation ON,
Booms OFF and high end pressure range.
If pressure cannot be adjusted manually,
refer to Troubleshooting Problem 13.
4. If problem persists, return Console to Raven,
Inc. to replace Processor Board Assembly
5. Check valve CAL - see page 4.