9 PROBLEM SOLVING
48
9.2 CONTROLLER LAMPS _____________________________________________________
The controller is a solid state device that monitors and
controls electrical functions. The controller receives input
signals from various switches and sensors throughout
the machine and transmits output signals to operate
relays, solenoids and warning lights. It controls and
resets timers and contains built in logic to control certain
machine functions.
Each input and output signal is displayed through lamps
located on top of the controller. A closed input switch
indicates an active circuit and will turn an input lamp on.
An open switch an inactive circuit and will turn a lamp off.
Outputs are active when their lights are on.
It is important to note that in some cases a lamp or group
of lamps must be on or off for a condition to be true. For
example, to start the mower the Mow Switch must be
OFF (lamp 8 off) while the Neutral Start Switch (lamp 12),
Brake Switch (lamp 6) and Fuel Valve Hold Coil (lamp 27)
must be ON.
NOTICE
For factory assistance with troubleshooting controller
problems, please note the controller hardware
revision and software version located on the lower
right corner of the controller. [SEE 7.14] Controllers
with equal or greater revision levels will be backward
compatible.
Controller Functions by Lamp Number
Lamp On - Circuit is active
Lamp Off - Circuit is inactive
INPUTS OUTPUTS
Lamp Circuit Lamp Circuit
1,2,3,4
Program Select (1, 3 and 4 are not used)
19 Hydraulic Filter Light
5
Brake Switch
20 Hydraulic Oil Level Light
6
Seat Switch
21 Not Used
7
Traction Control Switch
22 Glowplug Light
8
Mow Switch
23 Lower Solenoid
9
Joystick - Lower
24 Raise Solenoid
10
Joystick - Raise
25 Glowplug Relay
11
Hydraulic Oil Level Switch
26 Start Relay
12
Neutral Switch
27 Fuel Solenoid - Hold
13
Not Used
28 Not Used
14
Keyswitch - Glowplug
29 Audible Alarm
15
Keyswitch - Start
30 Mow Solenoid
16
Joystick Active
31 Fuel Solenoid - Pull
17
Hydraulic Filter Switch
32 Power-Ignition
18
Engine Oil Pressure Switch
33 Power-Lights
Lamp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
INPUTS OUTPUTS
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