Applicator Troubleshooting

Harvest Tec Repair Guide

Are you a dealer? Click the link below to learn more about the Harvest Tec Pre-Season Preventative Maintenance Guide.

Dealer Maintenance Guide

 

Quick Reference

600 Series Automatic Applicators        Electronic Applicators

400 Series Automatic Applicators        Manual Applicators

 

600 Series Automatic Applicators

Pump will not run.

1.  No voltage to DCP or Pump controller.
2.  Pump locked up.
3.  Damaged wire.
4.  Fuse blown on Pump controller.

1. Check for short, low voltage, and replace fuse(s) if necessary. 
2.  Clean or rebuild pump if motor is OK.
3.  Repair damaged wire.
4.  Replace fuse and check pump for short in wire or locked motor.

Problem

Possible cause

Solution

Display reads waiting for DCP

1. Communication harness is damaged on either the baler or tractor
2. Loose harness connection at some point between DCP and monitor. 
3. Low power on battery at system startup, resulting in delayed signal sent to monitor

1. Replace damaged harness
2. Clean harness connection points, reconnect harnesses using electrical grease
3. Turn tractor off and restart to cycle power. Or disconnect power harness directly at DCP with power on, wait 2 minutes and reconnect.

Pump(s) runs but will not prime.

1.  Air leak in intake.
2.  Clogged intake.
3.  Restricted outlet. 
4.  Check valve on the outlet is stuck closed.
5.  Dirt inside pump.

1.  Tighten fittings on intake side.
2.  Clean.
3.  Check and clean tips.
4.  Clean or repair check valve.
5.  Replace pump check valve.

Pump does not develop enough output.

1.  Air leaks or clogs on inlet side.
2.  Pump worn or dirty.

1.  Tighten or clean filter bowl assembly.
2.  Rebuild pump.

Moisture reading errors (high or low)

1.  Wire disconnected or bad connection between
star wheels and DCP
2.  Low power supply to DCP
3.  Wet hay over 75% moisture
4.  Ground contact with one or both star wheels and
baler mounted processor.
5.  Short in wire between star wheels and DCP.
6.  Check hay with hand tester to verify.

1. Reconnect wire.
2.  Check voltage at box. (Min of 12 volts required.) See Diagnostics section of manual.
3.  System will not display moisture reading
4.  Reconnect.
5.  Replace wire.
6.  Contact Harvest Tec if conditions persist.

Moisture readings erratic.

1.  Check all wiring connections for corrosion or
poor contact.
2.  Check power supply at tractor.  Voltage should be constant between 12 and 14 volts

1.  Apply dielectric grease to all connections. 
2.  Install voltage surge protection on tractors alternator. 

Flow meter readings do not match up with product usage.
Product is less than actual product used.

1.  Voltage supplied to meter is less than 6 volts.
2.  Wiring short in signal to baler mounted processor.
3.  Clog in meter.
4.  Using product other than Harvest Tec

1.  Check for a min of 6 volts supplied at Pump controller.
2.  Inspect wire and replace if necessary.
3.  Back flush with water.  DO NOT USE AIR.
4.  Catch and weigh product to check outputs.

Flow meter readings do not match up with product usage.
Product is more than actual product used.

1.  High voltage supplied to the meter.
2.  Light interference with meter.
3.  Air leak in intake.
4.  Using product other than Harvest Tec

1.  Check voltage at Pump controller. 18V Max
2.  Reflection into meter can cause a high reading.  Move meter or protect from sunlight.
3.  Look for air bubbles in line.  Replace line or other defective area, allowing air into the system.
4.  Catch and weigh product to check outputs.

System leaks product out of tips after shut down.

1.  Dirty or defective check valves.

1.  Clean or Replace.

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.  See Diagnostics section of manual.

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.

PAC error message on screen

1.  The DCP and Pump controller are not communicating.
2.  Broke connection between the display and DCP or Pump control and DCP.

1.  Check all connections at DCP and Pump controller including terminating resistors.
2. Check, clean, and tighten connections.

Bale scale not giving accurate reading

1. Load cell calibration is off

1. Refer to your scale owner’s manual for instructions on recalibrating.

Can’t select moisture / preservative
information on baler run screen

1. DCP not selected in baler software

1. Select DCP for the moisture option in machine setup. See Communicating through ISOBUS Monitor section in operation manual

Error Code 415: Harvest Tec Online

1. Harvest Tec is communicating with the baler, but
2. Harvest Tec option is not turned on in baler software

1. Turn harvest Tec option on. See Baler Monitor Setup section

Error Code 416: Harvest Tec Not Detected

1. Harvest Tec option is turned on, but no communication between the baler and DCP is happening

1. Check for nozzle icon in top right corner.  Power cycle DCP only if icon not visible. 

Background of moisture container is red on
main baler work screen

1. Communication error between DCP & AGCO ECU

1. Enter Auto / Manual mode, verify that no moisture reading has occurred. Then Power cycle DCP only

Moisture container only reads 0/0% when HT system is reading correctly

1. Communication error between DCP & AGCO ECU

1. Enter Auto / Manual mode, verify that no moisture reading has occurred. Then Power cycle DCP only

No “HT preservative” option to select on the
baler run screen

1. Harvest Tec Pump Module (PAC) is turned off

1. Turn PAC on. See setup mode section in manual

Blue Tag / Nozzle icon flashing on
baler run screen

1. CNH ECU is set to communicate with DCP, but DCP is
not communicating correctly with baler

1. DCP has to be reconfigured. Contact your dealership to send back to Harvest Tec for repair.

Warning: HT system type conflicts with
machine setup

1. CNH Baler ECU recognizes that a Harvest Tec system is installed, but system is not configured correctly.

1. DCP has to be reconfigured. Contact your dealership to send back to Harvest Tec for repair.

‘?’ or ‘—‘ for moisture values are being shown on baler run screen

1. CNH software must see a stuffer cycle before it will update the moisture values

1. Simulate a stuffer cycle on baler, or wait until baling in the field and the moisture will update

Job records are showing as symbols or incorrect values

1. The job file is corrupted on SD card

1. Write down all job record information the operator wishes to keep. Update the DCP software to the most current version available on the Harvest Tec website.Delete all existing jobs by selecting all in the download screen and pressing delete.

2. Be sure to start a new job an verify it is saved by checking job details screen.

Can’t download job records, stuck at “Saving to USB Stick”

1. One of more jobs are corrupted on SD card. If
“saving to USB” is displayed, some jobs have been downloaded correctly.

Can’t download job records, stuck at “Searching”

1. If searching is displayed then the first job is corrupted and download will not work.

No green baler sensors button in bale rate
setup screen

1. DCP is not configured to communicate with baler

1. If baler is compatible, Harvest Tec can reconfigure DCP to correct setting. Contact your dealership to send back to Harvest Tec for repair.

Bale rate goes to zero and prox sensors/star wheels check out fine

1. DCP is set to use “Bale Rate Sensor” from baler in calculation and baler does not have this option installed

1. Turn off Bale Rate Sensor in baler sensors screen, make sure Auto baling rate is turned on in baling rate setup screen

“Cannot open USB” message when trying to download

1. DCP does not see a USB stick in the Data Transfer port

1. Make sure the operator has the USB in the DCP with good connect and not the VT port in the cab of the tractor.

 

400 Series Automatic Applicators

Problem

Possible cause(s)

Solution(s)

Display reads waiting for BMP

1. Communication harness is damaged on either the baler or tractor
2. Loose harness connection at some point between BMP and monitor. 
3. Low power on battery at system startup, resulting in delayed signal sent to monitor

1. Replace damaged harness
2. Clean harness connection points, reconnect harnesses using electrical grease
3. Turn tractor off and restart to cycle power. Or disconnect power harness directly at BMP with power on, wait 2 minutes and reconnect.

Pump will not run.

1.  No voltage to Baler Mounted Processor.
2.  Pump locked up.
3.  Damaged wire.

1.  Check for short, low voltage, and replace fuse if necessary. 
2.  Clean or rebuild pump if motor is OK.
3.  Repair damaged wire.

Pump runs but will not prime.

1.  Air leak in intake.
2.  Clogged intake.
3.  Restricted outlet. 
4.  Check valve on outlet stuck closed.
5.  Dirt inside pump.

1.  Tighten fittings on intake side.
2.  Clean.
3.  Check and clean tips.
4.  Clean or repair check valve.
5.  Replace pump check valve.

Pump does not develop enough output.

1.  Air leaks or clogs on inlet side.
2.  Pump worn or dirty.

1.  Tighten or clean filter bowl assembly.
2.  Rebuild pump.

Moisture reading errors (high or low)

1.  Wire disconnected or bad connection between moisture discs and baler mounted processor.
2.  Low power supply to baler mounted processor.
3.  Wet hay over 32% moisture
4.  Ground contact with one or both moisture discs and baler mounted processor.
5.  Short in wire between moisture discs and baler mounted processor.
6.  Check hay with hand tester to verify.

1. Reconnect wire.
2.  Check voltage at box. (Min of 12 volts required.) See Diagnostics section of manual.
4.  Reconnect.
5.  Replace wire.
6.  Contact Harvest Tec if conditions persist.

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.
3.  Check power supply at tractor.  Voltage should be constant between 12 and 14 volts.

1.  Apply dielectric grease to all connections. 
2.  Install voltage surge protection on tractors alternator. 

Flow meter readings do not match up with product usage.
Product is less than actual product used.

1.  Voltage supplied to meter is less than 6 volts.
2.  Wiring short in signal to baler mounted processor.
3.  Clog in meter.
4.  Using product other than Harvest Tec

1.  Check for a min of 6 volts supplied at Pump controller.
2.  Inspect wire and replace if necessary.
3.  Back flush with water.  DO NOT USE AIR.
4.  Catch and weigh product to check outputs.

Flow meter readings do not match up with product usage.
Product is more than actual product used.

1.  High voltage supplied to the meter.
2.  Light interference with meter.
3.  Air leak in intake.
4.  Using product other than Harvest Tec

1.  Check voltage at Pump controller. 18V Max
2.  Reflection into meter can cause a high reading.  Move meter or protect from sunlight.
3.  Look for air bubbles in line.  Replace line or other defective area, allowing air into the system.
4.  Catch and weigh product to check outputs.

Product shown is more than actual product used.

1.  High voltage supplied to the meter.
2.  Light interference with meter.
3.  Air leak in intake.
4.  Using product other than Harvest Tec

1.  Check voltage at baler mounted processor.  Max of 18 volts.
2.  Reflection into meter can cause a high reading.  Move meter or protect from sunlight.
3.  Look for air bubbles in line.  Replace line or other defective area that is allowing air into the system.
4.  Catch and weigh product to check outputs.

System leaks product out of tips after shut down.

1.  Verify with multi-meter actual voltage.  Voltage range should be between 12-14.

1.  Clean or Replace.

Terminal reads under or over power.

1.  Verify with multi-meter actual voltage.  Voltage range should be between 12-14. 1.  Clean connections and make sure applicator is hooked to battery.  See Diagnostics section of manual.

System always displays “End of Row Pause”.

1.  Flow meter connector plug is plugged into Hay Indicator port on Baler Mounted Processor. 1.  Switch ports.

System does not pause at the end of a row.

1. Cable is damaged or has short.
2. Crop eyes are damaged.

 1.  Switch ports.

 

Electronic Applicators

Problem

Possible cause(s)

Solution(s)

Pump will not run.

1.  Circuit breaker tripped on electronic unit.
2.  Pump locked up.
3.  Damaged wire.

1.  Check for short, low voltage, and reset breaker.
2.  Clean or rebuild pump if motor is OK.
3.  Repair damaged wire.

Pump runs but will not prime.

1.  Air leak in intake.
2.  Clogged intake.
3.  Restricted outlet. 
4.  Check valve on outlet stuck closed.
5.  Dirt inside pump.
6.  Vapor locked.

1.  Tighten fittings on intake side.
2.  Clean.
3.  Check and clean tips.
4.  Clean or repair check valve.
5.  Replace pump check valve.
6.  Loosen hose by check valve at gauge and bleed air. 

Pump does not develop enough output.

1.  Air leaks or clogs on inlet side.
2.  Electronic box out of adjustment. 
3.  Pump worn or dirty.
4.  Low supply voltage.
(Pump requires 12v minimum)
5.  Bad gauge.

1.  Tighten or clean filter bowl assembly.
2.  Refer to box adjustment page.
3.  Rebuild pump.
4.  Check voltage at connection with voltmeter.
5.  Gauge should read less than 10 PSI when not in use.  Also tips should lose spray pattern below 10 PSI.  Check accuracy.

Pump output varies.

1.  Clogged or restricted inlet.
2.  Worn pump parts.

1.  Clean
2.  Rebuild pump.

Message light blinks two times

1.  Pump or wire harness shorted.

1.  Check harness running to pump and verify no shorts or problems.
2.  Check to see if pump motor is locked up.  Repair or replace.

Message light blinks three times

1.  Pump is drawing greater than 10 amps.

1.  Check to see if motor is running correctly.  Repair or replace. 

Message light blinks four times

1.  Undercurrent coming to control box.

1.  Check all battery connections and connections running up to control box. 

 

Manual Applicators

Problem

Possible cause(s)

Solution(s)

Pump will not run.

1.  Pump locked up.
2.  Damaged wire.
3.  Vapor locked.

1.  Clean or rebuild pump if motor is OK.
2.  Repair damaged wire.
3.  Loosen hose by check valve by nozzles or manifold and bleed air. 

Pump runs but will not prime.

1.  Air leak in intake.
2.  Clogged intake.
3.  Restricted outlet. 
4.  Check valve on outlet stuck closed.
5.  Dirt inside pump.

1.  Tighten fittings on intake side.
2.  Clean.
3.  Check and clean tips.
4.  Clean or repair check valve.
5.  Replace pump check valve.

Pump does not develop enough output.

1.  Air leaks or clogs on inlet side.
2.  Electronic box out of adjustment. 
3.  Pump worn or dirty.
4.  Low supply voltage.
(Pump requires 12v minimum)
5.  Bad gauge.

1.  Tighten or clean filter bowl assembly.
2.  Refer to box adjustment page.
3.  Rebuild pump.
4.  Check voltage at connection with voltmeter.
5.  Gauge should read less than 10 PSI when not in use.  Also tips should lose spray pattern below 10 PSI.  Check accuracy.

Pump output varies.

1.  Clogged or restricted inlet.
2.  Worn pump parts.

1.  Clean
2.  Rebuild pump.