Great Plains 116-283A Installation Instructions - Manual (Page 12)

12 Great Plains Manufacturing, Inc. Front Page Part Lists LOUP 2/3 CHANNEL SHAFT MONITOR
116-284M Front Page Part Lists 2013-08-27
Troubleshooting
Wiring Color Code
Symptom Cause Remedy
Power LED
does not illuminate
Power lead fuse blown due to system fault Inspect cables for damage (shorts).
Disconnect harness at hitch. Replace
5 Amp fuse. If fuse blows again, console
or cable may be faulty.
Power lead fuse blown due to tractor fault Check that power source is 12 Volts DC.
Power lead not connected, severed, or
power circuit open between leads and
tractor battery Inspect monitor power leads. Connect
monitor leads directly to a battery to verify
system.
Polarity reversed at power lead connection
Monitor console fault
Replace or repair console.
All Status Indicators LEDs
do not illuminate
Harness disconnected at hitch, extension
cable or sensors Check cable connections.
Harness fuse blown Inspect cables for damage (shorts).
Disconnect harness at hitch. Replace
3 Amp fuse. If fuse blows again, console
or cable may be faulty.
Harness fuse blown Console lead was connected to a 4-pin or
6-pin weatherpack connector on the drill
that was NOT the sensor extension cable
or harness.
One Status Indicator
never illuminates
Sensor not connected Check sensor lead
Harness damaged Check continuity of harness lines.
Sensor failed Swap sensor from another seed box and
test.
No Status Indicator
ever extinguishes
Shafts are not turning Check drill drive system
Sensors not correctly installed Check for
1 ⁄
8
inch gap at sensors.
One Status Indicator
never extinguishes
Shaft is not turning Check section drive system
Sensor has shifted out of magnet range Check for
1 ⁄
8
inch gap at sensor.
Color 6-Pin Harness 4-Pin Harness Sensor Lead
Black B: Ground B: Ground B: Ground
Blue E: RIGHT Signal E: RIGHT Signal n/a
Brown D: CENTER Signal n/a n/a
Green C: LEFT Signal C: LEFT Signal n/a
Red A: +12 Vdc A: +12 Vdc A: +12 Vdc
White n/a n/a C: Signal
n/c F: n/a n/a