Operation Manual of Elevating Work Platform
35
84
Motor controller short circuit error
Stop lifting and running
85
Brake release switch error
Alarm only
86
Brake release not open error
Alarm only
87
Brake application failure
Alarm only
89
Motor protection open error
Stop lifting and running
90
Alarm of exceeding 90% load
Alarm only
91
Short circuit of left drive motor protection
Stop lifting and running
92
Right drive motor protection short circuit
Stop lifting and running
99
Alarm of exceeding 99% load
Alarm only
OL
Platform overload alarm
Stop all actions
LL
“The machine tilts over the safety limit” error
Stop lifting and running
Table 11 - Troubleshooting Guide
Display
Description
01
System initialization error: The ECU may have fault, replace the ECU.
02
System communication error: Check connection between the communication line and other cables. If fault
still exists, please replace the PCU or the ECU.
03
Invalid option setting error: Set proper options for the machine
04
The selected machine code is not within the application range, make selection again based on the model
06
Prompt of successful release of the parameter: Restart it
07
Determine whether the GPS platform issues a car lock command
08
Prompt of successful release of calibration data: Restart it
09
Whether the function bit is not configured
12
Chassis lifting or lowering button opening error during start: Check the wiring of the toggle switch or check
whether the toggle switch is jammed.
18
Pothole protection error: Check whether the pothole protection is activated, and check the pothole
protection limit switch. Check the wiring of the switch, lower limit switch and wiring.
27
Check that the proportional valve is wired correctly.
31
Pressure sensor error: Check the sensor wiring and the sensor. Check to confirm that the correct machine
option with overload detection is selected.
32
Angle sensor error: Check the sensor wiring and the sensor. Check to confirm that the correct machine
option with overload detection is selected.
33
1412 light load mode unsuccessful overload weight function data calibration error: Carry out weight
calibration again.
35
Check whether the calibration process is reversed
36
Check whether the vehicle voltage is too low and whether it needs to be charged.
38
Error of unsuccessful overload weight function calibration: Carry out weight calibration again.
39
Too low level of the battery: Check the battery level and fill the electrolyte if liquid level is too low. Check
whether the liquid level switch is installed correctly.
