Case 580SR Service Manual page 350

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FAULTS OTHER F12
NOT IDENTIFIED BY THE LEDS
There may be situations when an individual compo-
nent develops a fault but it is not highlighted by the
LEDs. If a component is in doubt proceed to input
test as follows:
Perform Input test:
This test is used to verify the inputs.
In this mode driving is possible.
NOTE: the gear position indicators on the microproc-
essor top cover are used to display the test informa-
tion.
INPUT TEST REQUIREMENTS: the powershift le-
ver must be in forward position. Set it to upshift and
start the machine. The microprocessor shifts to the
input test mode.
As shown in the table below placing the shift lever in
different positions in this mode illuminates its respec-
tive LED.
IMPORTANT: selftest modes can only be started
WHILE POWERING UP (ignition on). Leaving the
selftest mode is done by switching OFF the power of
the microprocessor.
CHECKING OF INPUT REQUESTS
Confirm input test is okay (lever forward, neutral, reverse) and in order check as below:
1. Operate disconnect button on loader lever
2. Operate 4WD switch on instrument panel and foot brakes
3. Foot brake test on later models
4. Temperature and speed sensor: to test disconnect lead on
the sensor and short to ground
SECTION 21 - TRANSMISSION
LED - LED COLOUR -
NUMBER DISPLAYED
5 GREEN = OKAY
6 GREEN = OKAY
7 RED = OKAY
8 RED = OKAY
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