![background image](http://html1.mh-extra.com/html/fendt/favorit-900/favorit-900_workshop-manual_4001870818.webp)
Farmer 400
Fav 700
Fav 900
Power lift / Electrohydraulic control EPC
Rear power lift troubleshooting flowchart
B
Faults
Fav 900 chassis number 23/3001 and up
03.05.2001
8610
000005
B
a
1/3
Capitel
Docu-No.
Index
Date
Version
Page
Rear power lift troubleshooting flowchart
Text-module
Cause:
Rear power lift cannot be raised or lowered.
Jerky motion when rear power lift is raised or lowered.
EPC/DA switchover
No
Switch to EPC
Yes
I
I
Correct settings in termi-
nal A008
Yes
Correct settings in termi-
nal A008 (lowering
throttle valve).
No
I
I
Operate EPC control
valve manually.
I
I
Rear power lift OK
No
Three-point linkage:
Yes
Check cat. 2, cat. 3 set-
ting. Sluggish movement
in lift cylinder.
I
Hydraulics:
Check pin 12, EPC-DA
switchover at
EPC ECU A005.
Check oil level. Internal
leak in hydraulic cylinder.
EPC control valve defec-
tive
Note: switch S048 open
(0VDC) = EPC ON switch
S048 closed (+UB) =
EPC OFF
Check + supply, power
consumption and resi-
stance at solenoid valve
Y021/Y022
(Chapter 9000 Reg. E)
I
I
EPC/DA solenoid switch
S048 does not open.
No
Electrical reading OK
Yes
+ supply from
EPC ECU A005
I
Raise, pin 55; Lower,
pin 19; earth, pin 53
I
Short-circuit in solenoid
Y021/Y022
Calibrate position sensor
B030
(Chapter 0000 Reg.A)
Break in cable
Check position sensor
B030
(Chapter 9000 Reg.A)