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Malfunction
Malfunction
Beeping
Item
Detail Indication
Pattern
Indication
Indication
pattern when
pattern at
speed switch is
time of mal-
pushed up or
function
down
[Left Driver Related]
seconds
seconds
seconds
seconds
seconds
seconds
seconds
seconds
seconds
seconds
seconds
seconds
Meaning of
Replacement ( :Most Suspect, :Next Suspect)
Display
Au-
As-
tono-
sis-
mous
tant
Beeps
Relay
for 2.5
contacts
melted
Beeps
Thermistor
for 2.5
malfunc-
tion
Beeps
Speed
for 2.5
detection
malfunction
Beeps
Motor wire
for 2.5
open circuit
malfunction
Mag-
Beeps
netic pole
for 2.5
detection
malfunction
Beeps
Amperage
for 2.5
offset
Beeps
Motor
for 2.5
overamp-
erage
Beeps
Arm
for 2.5
shorted
Beeps
12V power
for 2.5
fluctuation
Beeps
Vehicle
for 2.5
overvolt-
age
Accel-
Beeps
eration
for 2.5
command
over
Beeps
Power
for 2.5
line open
circuit
Right Unit
Left Unit
Failure Judgment Condition
CNT
:Controller board
DRV
:Driver board
ENC
:Encoder
EMB
:Electromagnetic brake
Harness
:Wire harness between
relay board and each unit
The relay on the driver board mal-
function.
The thermistor on the driver board
malfunction.
The encoder malfunction.
The encoder malfunction.
The motor current sensor is mal-
functioning.
The motor current has exceeded
the specified value.
The current of the motor drive circuit
has exceeded the specified value.
The 12V control power malfunction.
The voltage of the power line has
exceeded the specified value.
(This may occur when the battery is
disconnected while the wheelchair
is descending a steep slope.)
The voltage is not the specified
value.
9
89
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