460
Model Code Page
37. Autocontrol 5 / 5.2
1. 8. 2000
370 8
6250--8950
1. 10. 1999
D. Fault tracing in test mode
1. Activating test mode, AC 5 and 5.2
Note! Before activating the test mode, possible pre---pro-
gramming of the DPS speeds must be removed. The test
mode is activated by pushing certain tractor switches in a
correct order according to picture below:
SWITCH ON
OR
START
H40432---
Number Funktion mode Symbol of mode
1 Fault code me-
mory
FI(AC 5.2 only)
2 Test mode FII
3 Setting mode F III
1
2
Program I.D. no.
--- step with the DPS push buttons (1) up or down and select
themainmodesymbolFII(testmode).
--- after this confirm the selection by pushing the DPS pre---
programming button (2)
--- now symbol A starts to blink (2 Hz) in the middle display
block.
--- select module A (7 pcs modules. Only A is in use) by step-
ping again with the push buttons (1).
--- confirm the selection by pushing the button (2) after which
A remains without blinking in the display.
--- the display is now in the testmode and the trouble shooting
can be done
Note! When the desired module is confirmed, the parameter
file identification number and the program version number
start to blink in the lower block of the display (START LEVEL
of test mode F II). The identification number can be seen in
the two LH side segments and the version number in the two
RH side segments.
With aid of the program identifying no. (see picture above)
can be checked, which program versio or which parameter
file is fitted on the tractor.
Note! In the test mode the DPS speed is always DPS1. The
shuttle and PTO function normally, but the display functions
are not shown. The DPS pre---programming cannot be done
in the test mode. Also the DPS automatic functions are not in
use.
IMPORTANT! Escaping from the test mode is done by swit-
ching off the current.
2. Fault tracing in the test mode F II.
It is possible in the test mode to check the electric function of various com-
ponents (control unit i nput and output signals) by comparing actual values
from the different components with the correct values in the tables which
are shown in this instruction.Diagram below shows the test mode menu of
AC 5 , in which can be stepped up or down with the DPS push buttons (1):
TEST MODE MENU IN AC 5 (AC 5.2, see page 371/7):
*) Engine running
Symbol in
display
Te s t p o i n t
F7 Direction information (rpm) *)
F6 PTO speed (rpm) *)
F5 Shuttle output speed (rpm) *)
F4 Shuttle output speed (rpm) *)
F3 Reserve
F2 Driving speed *)
F1 Engine speed *)
A4 Clutch pedal position %
A3 Gas pedal position *) %
A2 Gearbox temperature
A1 Outdoor temperature
d16 Parking brake
d15 PTO standby button
d14 Seat direction (only TwinTrac)
d13 PTO---speed 2 (lever in rear position)
d12 PTO ---speed 1 (lever in front position)
d11 DPS pre---programming button (under
shuttle lever)
d10 Direction R (rearwards)
d09 Direction F (forwards)
d08 DPS auto/man
d07 DPS auto1/auto 2
d06 Clutch pedal limit switch
d05 Driver detection (in seat) 1)
d04 PTO start
d03 HiShift buttons
d02 DPS push button, down
d01 DPS push button, up
e.g. 5142 START LEVEL
Program version nummer
P1 DPS solenoid 1 (clutch C1) *)
P2 DPS solenoid 2 (clutch C2) *)
P3 DPS solenoid 3 (clutch C3) *)
P4 F clutch solenoidi (forwards) *)
P5 R clutch solenoid (rearwards) *)
b Counter functions
1) See the next page.
Note! From ser. no. J38343 incl. there are 12 pcs counter
symbols in the test mode menu below symbol P5, see pa-
ge 370/13A.
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