capacity (t)
B (mm)
C (mm)
Normal Size
Abnormal Size Normal Size Abnormal Size
1
19.5
17.5
27
24.3
2
22
19.8
32
28.8
8
、
Fault finding
NO.
Condition
Causes
Check
1
The
hoist
fails
to
operate when switched
on
Power
cable
not
connected or loose
Check and fasten all the
cable connection points.
Electrical parts damaged
Replace the damaged part
2
Hoist
refuses
to
operate,
and
the
brake parts emit a
buzzing noise.
Voltage is too low.
Operate
under
rated
voltage.
3
After switching off,
the load drops while
braked
Dust or oil on brake disc
Clean the disc
Severe wear of disc
Replace the disc
4
Hoist still operates
when
the
control
button is released
The
contactor
is
damaged or faulty.
Replace contactor
5
Excessive
chain
noise when running
The
chain
is
not
lubricated properly
Lubricate chain by oil or
grease
The chain or sprocket
wheel is worn
Replace.
6
Voltage leakage
The earth connection is
faulty
Ensure
good
earth
connection
High humidity in the air
Improve the environment
Dust on the electrical
parts
Keep the parts clear of dust
5
02/08/2019
Instructions Manual for TECH0103 (H250)
7
