Instruction Manual
26
Troubleshooting
PROBLEM
POSSIBLE CAUSE
SOLUTION
Moisture reading errors (high or low)
1. Wire disconnected or bad
connection between star wheels
and DCP
1. Reconnect wire.
2. Low power supply to DCP
2. Check voltage at box. Min of 12V
3. Wet hay over 32% moisture
4. Ground contact with one or both
star wheels and baler mounted
processor.
4. Reconnect.
5. Short in wire between star
wheels and DCP.
5. Replace wire.
6. Check with hand tester
6. Contact Harvest Tec if no change
Moisture readings erratic.
1. Test bales with hand tester to
verify that cab monitor has more
variation than hand tester.
2. Check all wiring connections for
corrosion or poor contact.
2. Apply dielectric grease to all
connections.
3. Check power supply at tractor.
Voltage should be constant
between 12V and 14V
3. Install voltage surge protection on
tractors alternator.
Terminal reads under or over power.
1. Verify with multi-meter actual
voltage. Voltage range should be
between 12-14 volts.
1. Clean connections and make sure
applicator is hooked to battery.
Bale rate displays zero.
1. Bale rate sensors reversed.
2. Short in cable.
3. Damaged sensor.
1. Switch the sensors next to the star
wheel.
2. Replace cable, Replace sensor.
Display will not power up.
1. Connection broke between the
display and the DCP.
2. Short in display cable.
1. Check, clean, and tighten
connections.
2. Replace cable.
Display is too dark or light
1. Change in temp or light
1. Use the monitors contrast control.
Display is locked up/froze.
1. CAN communication not
responding.
2. Broke connection between the
display and DCP.
1. Check connections at DCP and Pump
controller including the terminating
res.
2. Check, clean, and tighten.
3. Power unit down and restart after
steps 1 & 2 are complete.
Display powers up when key is turned
and will not go to the Main Menu screen.
1. CAN communication not
responding.
2. Broke connection between the
display and DCP.
1. Check connections at DCP and Pump
controller including the terminating
res.
2. Check, clean, and tighten.
3. Power unit down and restart after
steps 1 & 2 are complete.
Display is locked up/froze and pumps
continue to run.
1. CAN communication not
responding.
2. Broke connection between the
display and DCP.
1. Check connections at DCP and Pump
controller including the terminating
res.
2. Check, clean, and tighten.
3. Power unit down and restart after
steps 1 & 2 are complete.
System does not pause at end of row
when using 474A crop eyes.
1. Short in cable.
2. Damaged sensor.
3. Bad alignment of sensors
1. Replace cable.
2. Replace sensor
3. Check 474 manual for alignment
instructions
Bale rate displays zero.
1. Bale rate sensors are reversed.
2. Short in cable.
3. Damaged sensor.
1. Switch the sensors next to the star
wheel.
2. Replace cable.
3. Replace sensor.