GSI Outdoors PNEG-1153 - Manual (Page 38)

38 PNEG-1153 CALC-U-DRI Moisture/Matic/Manager
9. TROUBLESHOOTING GUIDE
Problem Possible Cause Solution
1. Digital readout dead. 1. Main AC power OFF.
2. Main fuse(s) or control fuse blown.
3. Circuit board not plugged in.
4. Bad circuit board.
5. Power supply not working.
1. Turn ON.
2. Replace fuse(s).
3. Plug in.
4. Replace circuit board.
5. Put in new power supply.
2. Digital readout is not lit.
All control functions are
working.
1. Digital panel meter bad.
2. Open or loose wire feeding the digital
panel meter.
3. Circuit board trouble.
1. Replace the DPM.
2. Repair.
3. Replace circuit board.
3. Moisture readings are
very high - grain checks
dry.
1. Moisture on sensor blade.
2. Foreign object jammed on sensor.
3. Water in circuit board jack.
4. Calibration accidentally set too high.
5. Sensor not grounded to the tube.
6. Bad circuit board.
7. Bad sensor.
8. Circuit board dip switches set wrong.
1. Dry OFF the sensor.
2. Remove object.
3. Dry OFF.
4. Reset.
5. Secure ground strap.
6. Replace circuit board.
7. Replace sensor.
8. Set switches using did switch
chart - page 45.
4. Erratic operation after
replacing the control
card.
1. Dip switches on new card are not
see correctly. 1. Refer to illustration on page 45.
5. Moisture readings do
not change,
temperature readings
are high negative.
1. Sensor leads are broken or not hooked
into the terminal.
2. Sensor trouble.
1. Tighten terminal screws or replace
the sensor.
2. Replace sensor.
6. Moisture readings are
intermittently high then
low.
1. Check for the sensor ground strap not
hooked up.
2. Sensor cable leads broken.
3. Loose terminal leads where sensor is
hooked.
1. Hook up strap.
2. Replace sensor.
3. Tighten screws.
7. Moisture readings are
consistently high or low.
1. Correct by calibration adjustment,
refer to
Page 18 .
1. Adjust.
8. Blowing control fuses. 1. Check for loose or shorted wires.
2. Surge absorber shorted.
3. Any component that is bad can cause
this - check by isolating one component
at a time.
1. Isolate and correct.
2. Replace if it looks bad.
3. Replace bad component.