LCD
Description
Display
PCBA controlled
right driving motor
fails.
Plug (Triple-phase,
power wire) con-
necting the right
driving motor with
Right
the corresponding
driving
see "Fault
PCBA is loosened.
motor
code"
fails in
Plug (Six pins, signal
rotation
wire) connecting
the right driving
motor with the cor-
responding PCBA is
loosened.
Right driving motor
fails.
PCBA controlled left
blade motor fails
Plug (Triple-phase,
Left blade
power wire) con-
see "Fault
motor
necting the left
code"
fails in
blade motor with the
rotation
corresponding PCBA
is loosened.
Left blade motor
fails
PCBA controlled
right blade motor
fails
Right
Plug (Triple-phase,
blade
power wire) con-
see "Fault
motor
necting the right
code"
fails in
blade motor with the
rotation
corresponding PCBA
is loosened.
Right blade motor
fails
64
56-VOLT LITHIUM-ION ELECTRIC ZERO TURN MOWER — ZT4200L/ZT4200L-FC
LED
Fault code
Status
on LCD
Indicator
313
OFF
417
OFF
401
OFF
417
OFF
607
n/a
509
n/a
509
n/a
507
n/a
609
n/a
609
n/a
Beeper
Cause
one beep
PCBA failure
Loose con-
one beep
nection
Loose con-
one beep
nection
Motor
one beep
failure
one beep
PCBA failure
Loose con-
one beep
nection
Motor
one beep
failure
one beep
PCBA failure
Loose con-
one beep
nection
Motor
one beep
failure
Solution
Have repairs performed by a quali-
fied service technician.
Have repairs performed by a quali-
fied service technician.
Have repairs performed by a quali-
fied service technician.
Have repairs performed by a quali-
fied service technician.
Have repairs performed by a quali-
fied service technician.
Inspect the blade firstly. If it is loos-
ened, use a 9/16 in (14 mm) torque
wrench to tighten the bolt clockwise.
The recommended torque for the
blade bolt is 36-41 ft-lb (50-55 Nm).
Otherwise, have repairs performed
by a qualified service technician.
Have repairs performed by a quali-
fied service technician.
Inspect the blade firstly. If it is loos-
ened, use a 9/16 in (14 mm) torque
wrench to tighten the bolt clockwise.
The recommended torque for the
blade bolt is 36-41 ft-lb (50-55 Nm).
Otherwise, have repairs performed
by a qualified service technician.