User manual of EC160 elevator intelligent integrated machine Maintenance and hardware diagnosis
198
Checking Item Method Criterion
measure with
multimeter
Transformers and
reactors
Ensure there is no
abnormal vibration, noise
and smelling.
Hearing, smelling
and visual
examination
NA
Electromagnetism
contactors and
relays
Ensure whether there is
vibration noise in the
workrooms.
Hearing NA
Ensure the contactor is
good enough.
Visual
examination
NA
Control
circuit
PCB and plugs
Ensure there is no loose
screws and connectors.
Fasten up NA
Ensure there is no smelling
and color-changing.
Smelling and
visual
examination
NA
Ensure there are no
crackles, damage,
distortion and rust.
Visual
examination
NA
Ensure there is no weeping
and distortion to the
capacitors.
Visual
examination or
estimate the
usage time
according to the
maintenance
information
NA
Cooling
system
Cooling fan
Estimate whether there is
abnormal noise and
vibration.
Hearing and
visual
examination or
rotate with hand
Stable rotation
Estimate there is no loose
screws.
Tighten up
NA
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