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Console operates intermittently.
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Monitor not receiving full 12 volts.
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Be certain console-to-convenience outlet connection is tight.
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One row shows failure.
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Seed tube plugged.
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Unplug seed tube.
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Unit roller chain off sprocket.
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Replace roller chain.
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Unit not planting.
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See Service section in planter operator's manual.
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Seed sensors are dirty.
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Clean sensors with sensor brush (available from your John Deere dealer) or with a bottle brush.
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Plateless units-fingers malfunctioning.
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Replace fingers or springs (see Service section in planter operator's manual.)
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Shorted sensor or planter harness.
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Check for damaged harness.
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Failure shown for half of planter's units.
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Sheared drill shaft pin.
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Replace pin.
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All rows fail.
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Drive chain in center of planter off sprockets.
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Replace chain on sprockets.
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Shorted sensor or planter harness.
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Check for damaged harness.
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No power to sensors.
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Check for damaged harness.
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Failure shown intermittently.
|
Shorted sensor or planter harness.
|
Check for damaged harness.
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(COMPUTER TRAK
®
150 only) One lamp fails to light when units are turned on.
|
Burned out lamp.
|
Test for burned out lamp by installing a good lamp from another row. If lamp is burned out, see your John Deere dealer for proper replacement bulb.
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Short in sensor harness or planter harness.
|
Check for shorted sensor harness or planter harness wire. If wires are cut or damaged, solder wires back together according to color codes and tape each wire individually.
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| Symptom |
Problem |
Solution |
|
(COMPUTER TRAK
®
250 only) Erratic monitor operation.
|
Intermittent excessive planter drive wheel slippage.
|
Check to be sure row unit down pressure springs are not excessively tight (too much down force), or add ballast to planter frame. Be certain that row attachments such as coulters or tine tooth are not carrying too much planter frame weight.
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HI-WARN or LOW-WARN alarm sounds too frequently.
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Limits may be set too close for planting conditions. Planter seed sensors may be dirty. Planter drive wheels may be slipping excessively.
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Fuses blown in console.
|
Short in sensor harness or planter harness.
|
Check for damaged harness.
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Console will only power up in Speed Area Monitor mode (will not allow HI WARN, LO WARN or ROW WIDTH to be programmed).
|
Monitor not connected to planter harness.
|
Connect to planter harness.
|
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Planter harness has open circuit in ground (black) or +8V (red) between 37-pin connector and potted junction.
|
Repair harness.
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