Instructions 67-9319 Bacharach, Inc. Page 4-5
INJECTOR CALIBRATOR CD3 MAINTENANCE AND TROUBLESHOOTING
TROUBLESHOOTING CHART FOR ELECTRICAL PROBLEMS
Fault Possible Cause and Remedy
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Motor trips off 1.Overload setting may be too low – Readjust (Section 4.3.5).
2. Improper line voltage – Verify that incoming line voltage meets specifications.
3. Excessive vibration may induce interlock switches to open intermittently –
Check S4, S12, S3, M1 (aux), or M1OL.
4. Main motor may be defective – Replace or Repair.
5. Loss of line phase – Investigate and correct problem.
6. Motor overload – Troubleshoot and correct problem.
Main motor will 1. Pulley cover may be open – Close cover.
not start 2. Interlock (S3) may be out of line or defective – Reposition or Replace (Section 4.3.3).
3. Motor starter reset button may have tripped – Reset M1 button (Section 4.2.4).
4. Fuse F-1 (2Amp) may have blown – Replace (Section 4.2.5) and investigate cause.
5. Air supply may be blocked – Check shop air supply and connections.
6. “STOP” button may be defective – Repair or Replace.
Calibration fluid 1. Fuse F-5 (5Amp) may be blown – Replace (Section 4.2.5) and investigate cause.
temp. unstable 2. Temperature controller may be defective – Replace.
3. Potentiometer R1 may be defective – Replace.
4. Heaters (HTR1 or HTR2) may be defective – Replace.
5. Cooling water solenoid may be defective – Replace.
6. Calibration fluid in reservoir may be low – Increase fluid level.
7. Temperature Sensor may be defective – Replace.
8. Thermometer may be defective – Replace.
9. Cooling water supply may be absent – Connect and turn on water supply.
Body-to-seat clamp 1. Fuse F-1 (2 Amp) may have blown – Replace (Section 4.2.5).
inoperative 2. Relay K-2 (part no. 04-5298) may be defective – Replace.
3. Fuse F-2 (0.4 Amp) may have blown – Replace.
4. Optical detector (part no. 60-7000 ), located on cam drive shaft, may be improperly
adjusted or defective – Readjust (Section4.3.4) or Replace.
5. Air pressure may be low – Check shop air pressure (Section 4.3.2).
6. Main P.C. board (part no. 67-6910) may be defective – Replace**.
Flowmeter display 1. Display P.C. board (part no. 67-5690 ) may be defective – Replace**.
inoperative 2. Optical detector (part no. 60-7000 ), located on cam drive shaft, may be improperly
adjusted or defective – Readjust (Section 4.3.4) or Replace.
3. Main P.C. board (part no. 67-6910) may be defective – Replace**
4. Relay K1 may be defective – Replace.
5. Bypass solenoid may be defective – Replace.
6. Transducer may be defective – Replace.
Erratic flow 1. Encoder wheel (part no. 67-6414 ) bent or slots in wheel obstructed – Replace or
readings* Clean as required (Section 4.3.4).
2. Loose or broken wiring or shields – Replace or Repair.
3. Discharge head defective – Repair or Replace
4. Leak in discharge line – Repair.
Flowmeter display 1. Main P.C. board (part no. 67-6910) may be defective – Replace**.
indicates large 2. Optical Detector (part no. 60-7000) may be defective – Replace.
flow value (beyond
injector capability)*
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