35
5.2 Electric Wheelchair Trou
bleshooting Guide
Fault code
E1
20
21
22
23
24
E6
E7
82
81
40
41
80
88
84
85
86
87
90
91
92
93
94
95
96
Anomaly status
Key abnormality
The rocker ground line is disconnected
The rocker power cord is disconnected
The rocker X-axis is disconnected
The rocker Y-axis is disconnected
The rocker is a non-zero start
CAN communication is abnormal
FLASH fault
Left motor Hall fault
Right motor Hall fault
Flat in the electromagnetic
brake of left motor
Flat in the electromagnetic
brake of right motor
Low-voltage fault
Pre-charge fault
Short-circuit fault of lower
gear MOS in the right motor
Short-circuit fault of upper
gear MOS in the right motor
Short-circuit fault of upper
gear MOS in the left motor
Short-circuit fault of lower
gear MOS in the left motor
High voltage fault
The Left motor phase loss and
disconnection fault
The right motor is out of phase
and disconnected
The Left motor and The right motor are
out of phase and disconnected
The Right motor stall
The Left motor stall
Left and right motors are stuck
Fault phenomenon
The key corresponding function does not work.
The rocker function does not work.
The rocker function does not work.
The rocker function does not work.
The rocker function does not work.
The rocker function does not work.
The rocker cannot control
the driving of the electric wheelchair.
FLASH device ID cannot be detected
and the device cannot work.
The left motor Hall is not connected or faulty,
and the motor does not function.
The right motor Hall is not connected or faulty,
and the motor does not function.
To release the electromagnetic brake handle of left motor,
close the electromagnetic brake.
To release the electromagnetic brake handle of right motor,
close the electromagnetic brake.
The motor cannot run.
The motor cannot run.
The motor cannot run.
The motor cannot run.
The motor cannot run.
The motor cannot run.
After detecting the high pressure before starting,
keep it locked.
The motor cannot run.
The motor cannot run.
The motor cannot run.
The motor cannot run.
The motor cannot run.
The motor cannot run.
Table 5.2
5. Ma
intenance & Troubleshooting
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