marathon
/Jt«.tt1600
9.5
Troubleshooting
Troubles
Check points
Corrective actions
The
p
owe
r LED i
s
n
ot
o
n
.
Make sure that
the power
cord
is
co
rr
ec
tl
y
plugged.
Correctly plug the power
cord.
Check
that th
e
fu
se
i
s
bl
ow
n.
R
e
plac
e
with a
r
eco
mm
e
nd
ed
fu
se.
If
the fuse is still blown
again,
then repair it.
Mak
e s
ur
e
chat th
e
p
owe
r
switch
is properl
y
working.
R
epa
ir if
the
p
owe
r
sw
it
c
h i
s
troubl
ed.
Th
e
mot
o
r
d
oes
n
o
t
run.
"lE''
displayed
Check
that
the
motor
cord
is
plugged
in prop
e
r
condition.
Correctly plug
the motor
co
rd.
If
the
sa
m
e e
r
ror
i
s co
ntinu
o
u
s
l
y
displayed,
replac
e
the
motor
cord.
Make sure
in the maintenan
ce
m
o
d
e
that
the "He" for
hall
sensor
c
h
ec
k is in prop
e
r
condition.
If
any trouble
is
found,
it is possible
that
e
ith
e
r
the
m
oto
r
co
rd i
s
brok
e
n
o
r
the motor
sensor
is troubled. Repair it
.
"2E"
displa
ye
d
Check
chat the
collet chuck
is
o
p
e
n
e
d.
If
opened,
close the
co
llet
c
huck.
If
the
sa
m
e e
r
ro
r i
s st
ill
displayed, then
r
e
pair it.
"3£" displayed
C
h
ec
k if th
e
unit h
as
b
ee
n
exces
i
sv
el
y
used under the
co
nditi
o
n
of
too
high l
oa
d.
R
esta
rt running th
e
unit
after
k
ee
ping
it
stopped for about
10
minutes.
If
the
sa
m
e e
rror i
s st
ill di
sp
la
yed,
repair it
.
"4E"
displa
ye
d
Make
sure chat the
supply
power
i
s
AC200-240V,
50/60Hz
.
Check
if the unit is properl
y
running
while the
speci
fi
e
d
power
i
s s
upp li
ed.
If
the
same error
ke
e
ps being
displayed,
r
e
pair it
.
"5
E
"
displayed
Check
if the unit has been
exces
i
sv
el
y
u
se
d und
e
r th
e
co
ndition
of too
high l
oad
.
Restart
running the unit
after
keeping
it
stoppe
d
fo
r
about
IO min ut
es.
If
th
e
same error
is
still
displa
yed,
r
e
pair it.
C
h
ec
k if ind
oo
r t
e
mp
e
ratur
e
i
s
too
wo
rm in
a
wo
rk place
w
ith
th
e co
ntrol
unit.
If
too worm,
m
ove
th
e co
ntrol unit
to
a
l
oca
tion
with the
indoor temper
a
ture
of
0
-4
0
' C.
Make
s
ur
e
that
th
e
temperature
sensor
is in
good
co
nditi
o
n.
If
t
ro
ubl
e
d
,
r
epa
ir th
e
t
e
mp
e
ratur
e
se
n
so
r.
"6
E
"
displayed
Check
if the
callee chuck
is
o
p
e
n
e
d.
If
opened,
tighten it b
y
turning the
c
huck handl
e.
C
he
ck
if the motor handpie
ce
s
haft i
s
rotated
b
y
fin g
e
r
s.
If
not
rotated
w
hile
closed,
th
e
motor
han dpi
eces
pin dl
e
i
s
tr
o
ubl
e
d.
Then,
r
e
pair it.
"7E"
displa
ye
d
le is ne
c
essar
y
to
resupply
the
power.
If
the
same error
is
still displayed,
r
epa
ir it.
024 - 025