SECTION 4 - TROUBLESHOOTING

ELECTRONIC INSTRUMENT CONTROL SYSTEM

PROBLEM

POSSIBLE CAUSE

CORRECTION

 

 

 

 

 

 

Lower portion of module

Tractor moving over 20 km/h

Normal operation. See Section 2 -

reverts to ground speed

(12.5 MPH).

“Normal Operation of the

automatically when

 

Electronic Instrument Control

monitoring other functions

 

System.”

 

 

 

Lower portion of display

Accrued hours approaching

Normal operation. See Section 2 -

flashes the service interval

(within 10 hours) or have reached

“Normal Operation of the

one or two indicator

preset service interval value.

Electronic Instrument Control

 

 

System.”

 

 

 

Upper portion of module

System is in the calibrate mode.

Turn ignition switch to “OFF”

has the words “SET” and

 

position and back to “RUN” to

“UP” displayed and system

 

enter the normal operation mode.

functions erratically

 

 

 

 

 

Ground speed displayed on

Values entered into the calibrate

Recalibrate system. See

lower portion of module

mode are incorrect.

“Electronic Instrument Control

inaccurate (tractors less

 

System” in Section 2.

TPM option only)

 

 

 

 

 

Values displayed in lower

Units of measure are incorrect

Recalibrate system. See

portion of module are

(English or metric).

“Electronic Instrument Control

inaccurate

 

System” in Section 2.

 

 

 

Display is blank

Loss of +12V power.

Replace instrumentation fuse.

 

 

Contact Buhler Versatile dealer.

 

 

 

Engine Warning Lights (Red

Critical (red) or non-critical

Contact Buhler Versatile dealer.

or Yellow) illuminated

(yellow) failure in electronic

 

 

engine control circuit.

 

 

 

 

Engine Warning Light (red)

Engine overspeed.

Reduce engine speed (below

illuminated

 

2630 RPM)

 

 

 

Display flashed “EXT ALR”

Slip or time of day feature of TPM

See TPM in Section 2 of this

when turning or at certain

reacting.

manual.

times of the day (TPM

 

 

equipped tractors only)

 

 

 

 

 

4-14

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Buhler 2375, 2335, 2425, 2290, 2360 manual Electronic Instrument Control System