23
Troubleshooting Guide
Symptom
Nothing happens when
the handset buttons are
pressed
Hoist lacks lifting power
Actuator stops intermittently
during raising
Actuator noisy
Actuator runs but does
not lift
Actuator only runs in
one direction
Battery will not charge
Battery will not charge –
continued
e
s
u
a
C
e
l
b
i
s
s
o
P
p
o
t
s
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.
1
.
n
i
d
e
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p
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b
n
i
d
e
g
g
u
l
p
t
o
n
t
e
s
d
n
a
H
.
2
3. Actuator not plugged in
4. Bad
contact on handset
5. Battery fuse blown
d
e
t
c
e
n
n
o
c
r
e
g
r
a
h
C
.
6
7. Battery not seated
on control box
1. Battery
low
2. Actuator failing
3. Control box failing
1. Load too heavy
2. Battery low
3. Actuator over heating
4. Actuator failing
5. Control box failing
1. New actuator – grease
unevenly distributed
(not run in)
2. Old actuator – unit
failing
d
e
g
a
m
a
d
s
r
a
e
G
1. Control box failure
h
c
ti
w
s
t
e
s
d
n
a
H
.
2
failure
g
u
l
p
,
d
a
e
l
t
e
s
d
n
a
H
.
3
or socket
damaged
1. Mains lead unplugged
2. Mains
socket not
switched on
3. Mains lead damaged
4. Mains fuse blown
5. Battery fuse blown
6. Battery not seated on
control box correctly
7. Battery discharged
below minimum level
8. Battery charger failed
Remedy
h
c
ti
w
s
p
o
t
s
y
c
n
e
g
r
e
m
e
t
e
s
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R
.
1
2. Plug in correctly
3. Plug in correctly
t
e
s
d
n
a
h
e
g
n
a
h
C
.
4
r
e
e
n
i
g
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E
e
c
i
v
r
e
S
l
l
a
C
.
5
6. Unplug charger
k
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h
c
d
n
a
y
r
e
t
t
a
b
t
a
e
s
e
R
.
7
latch is engaged
y
r
e
t
t
a
b
e
g
r
a
h
C
.
1
r
e
e
n
i
g
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c
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S
ll
a
C
.
2
r
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n
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e
c
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v
r
e
S
ll
a
C
.
3
f
o
d
a
o
L
g
n
i
k
r
o
W
e
f
a
S
k
c
e
h
C
.
1
hoist
y
r
e
t
t
a
b
e
g
r
a
h
C
.
2
r
e
e
n
i
g
n
E
e
c
i
v
r
e
S
l
l
a
C
.
3
r
e
e
n
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n
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e
c
i
v
r
e
S
l
l
a
C
.
4
r
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n
i
g
n
E
e
c
i
v
r
e
S
l
l
a
C
.
5
d
a
o
l
o
n
n
o
r
o
t
a
u
t
c
a
e
l
c
y
C
.
1
and on light load
r
e
e
n
i
g
n
E
e
c
i
v
r
e
S
ll
a
C
.
2
r
e
e
n
i
g
n
E
e
c
i
v
r
e
S
ll
a
C
r
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e
n
i
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E
e
c
i
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r
e
S
ll
a
C
.
1
t
e
s
d
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a
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c
a
l
p
e
R
.
2
t
e
s
d
n
a
H
e
c
a
l
p
e
R
.
3
1. Plug in mains plug
2. Switch power on
d
a
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s
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c
a
l
p
e
R
.
3
e
s
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c
a
l
p
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R
.
4
(once only)
r
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e
n
i
g
n
E
e
c
i
v
r
e
S
ll
a
C
.
5
k
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h
c
d
n
a
y
r
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t
t
a
b
t
a
e
s
e
R
.
6
latch is engaged
r
e
e
n
i
g
n
E
e
c
i
v
r
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S
l
l
a
C
.
7
r
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n
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c
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S
ll
a
C
.
8
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SF24 Iss.5 Nov.2011
Содержание Student 150
Страница 1: ...Student 150 Standing Transport Aid User Instruction Manual SF24 Iss 5 Nov 2011...
Страница 4: ...Illustration of Unihoist Student 150 3 SF24 Iss 5 Nov 2011...
Страница 10: ...Illustration of the Unihoist Student 150 Rear Controls 9 SF24 Iss 5 Nov 2011...
Страница 13: ...Correct way to charge the battery 12 SF24 Iss 5 Nov 2011...
