Prowinch PWJTHF, User Manual

Page: 42 / 51

Version 1.0 Version 1.0
Troubleshooting
42
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Condition Reason Action Cause Correction
No operation
Braking coil burning
Measure brake phase resistance
value; change brake if value is
infinite.
Excessive current caused by
high or low voltage
Operate under rated voltage
Avoid over-operation
Excessive current caused by
overload
Operate under rated voltage
Confirm short-term rating,
intermittent cycle rating,
operate under rated voltage
Excessive current caused
by operation in singe phase
state
Stop immediately if unable to
lift load in single phase
Friction plate
beyond brake
magnetism scope
Measure brake clearance, replace
if space is over usage limit
Avoid over-operation
Broken brake wire Ensure wire is connected, replace
if disconnected
Lead wire damaged during
assembly
Replace coil brake
Improper
connection of brake
wire terminal
Replace insert terminal when
loose
Assembly error Proper connection in assembly
Rust Replace brake if rust present
Exposure to water in storage Ensure dry storage
Condensation Monitor usage environments
Friction plate wear Measure brake clearance, replace
if space is over use limit
Avoid over-operation
Brake
Inside Wiring
Condition Reason Action Cause Correction
No operation
Break
Check cable, repair if wire break
Vibration, drop
Avoid excessive bumping in
usage
Leading wire damaged in
assembly
Change motor coil
Check connector, repair if wire
break
Connector not properly set Press by appropriate tool
Wiring error
Refer to wiring diagram, ensure
properly connected
Wiring error
Refer to wiring diagram, ensure
properly connected
Connector screws
loose
Fastening
Improper fastening Ensure effective fastening
(overheating) Vibration, drop
Avoid excessive bumping in
usage
Connector, insert
terminal improper
combination
Proper combination
Bad combination during
assembly
Ensure combination is effective
V.07.22 [LA]