USE AND MAINTENANCE MANUALUSE AND MAINTENANCE MANUAL
Chain hoist from 198kg to 2500kg
PROBLEMPROBLEM Possible CAUSEPossible CAUSE CHECKS and SOLUTIONSCHECKS and SOLUTIONS
6. The hoist moves at a very low speed
a. Excessive load.
b. Phase failure or unbalanced current in
phases.
c. The brake has not been adjusted
correctly.
Reduce the load according to the limits
indicated on the hoist identification plate.
Check electrical continuity and identify
the defective part. If the repair does not
fall within the authorised ones (see Ch.
8), contact EXE TECHNOLOGY
personnel.
Check brake adjustment. If the repair
does not fall within the authorised ones
(see Ch. 8), contact EXE
TECHNOLOGY personnel.
7. The motor overheats.
a. Excessive load.
b. Frequent starts and stops.
c. Phase failure or unbalanced current in
phases.
d. Extreme outside temperature.
Reduce the load according to the limits
indicated on the hoist identification plate.
Comply with the conditions of use
described in the FEM class (section 4.1)
Check electrical continuity and identify
the defective part. If the repair does not
fall within the authorised ones (see Ch.
8), contact EXE TECHNOLOGY
personnel.
Use hoist at a temperature range -10°C /
+ 40°C
8. The hoist does not stop at the limit
switch (in one or both directions).
9. The hoist stops at different points
a. Limit switches do not open the circuits
because they are glued.
b. Limit switches are not adjusted
properly.
a. Limit switches keep slipping after
adjusting.
b. Limit switch malfunction.
Check mechanical operation,
connections and limit switch adjustment.
If the repair does not fall within the
authorised ones (see Ch. 8), contact
EXE TECHNOLOGY personnel.
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