Page 27 Micro 19 - Service & Parts Manual
November 2019Section 11 - Control System
Error Indicator Readout
If the LED diagnostic readout displays an error code, such as LL, push in and turn
the red Emergency Stop button to reset the system.
Fault Description Models Solutions
01/10 System Initialization Fault All Models Check the ECU.
02/20
System Communication
Fault
All Models
Check the platform control, wiring on platform
connector, ECU, battery, and relay on ground
control.
03 Invalid Option Setting All Models
Reset the option code. See Service manual for
instructions.
12
Chassis Up or Down Switch
ON at power-up Fault
All Models
Check the wiring on toggle switch, and the toggle
switch.
18 Pothole Guard Fault All Models
Check the pothole board and switches. If stowed,
check limit switch.
31 Pressure Sensor Fault Micro 19
Check option code. See Service manual for
instructions.
32 Angle Sensor Fault
All Models > 2020
With Overload
Check wiring to angle sensor for normal voltage
range < 2020, 1.9-3.8V, then check the option
code.
42
Left turn switch ON at power-
up
All Models
Check the left steer button, and the platform
controller.
43
Right Turn Switch ON at
power-up
All Models
Check the right steer button, and the platform
controller.
46
Joystick Enable Switch ON
at power-up
All Models
Wait several seconds when turning on the lift, then
check the joystick dead-man switch.
47
Joystick not in neutral at
power-up
All Models Check the joystick, and the platform controller.
52 Drive Forward Coil Fault All Models
Check the option code. See Service manual for
instructions.
53 Drive Reverse Coil Fault All Models
Check the option code. See Service manual for
instructions.
54 Lift Up Coil Fault All Models Check the lift solenoid and wiring.
55 Lift Down Coil fault All Models
Check the down solenoid and wiring, and the
scissor harness for crushed or pinched wires.
56 Right Turn Coil Fault All Models Check the right steering solenoid and wiring.
57 Left Turn Coil Fault All Models Check the left steering solenoid and wiring.
58
General Brake Coil Fault
- Brakes about 46 ohms
All Models
Check the brake module and wiring, brakes and
wiring, and the battery voltage.
60 Motor Controller Fault All Models Replace the motor controller.
61
Motor Controller Sensor
Fault
All Models
Check the drive motor and wiring, and the drive
motor controller and wiring.
62
Motor Controller Hardware
Failsafe Fault
All Models Cycle power, then replace the Motor Controller.
63 Motor Controller Output Fault All Models
Check the drive motor and wiring for shorts, and
the drive motor controller and wiring.
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