TROUBLESHOOTING
Turn off main power before any inspections
are conducted.
Table 4
Page 22
MAINTENANCE
SOURCE OF
TROUBLE/PROBLEM
SOLUTION
Contactor does not close.
Contactor does not open
(Latch type).
Trip coil overheated.
Closing coil overheated.
Latch does not engage.
Conduct investigation with
main power "OFF".
If inspection and/or
countermeasure is difficult,
inform Toshiba immediately.
0
0
0
Control power supply is low.
Lower the voltage drop to
increase the voltage to 90%
or more of the rating.
0
0
0
0
0
Incorrect control voltage.
Apply proper rating.
0
0
Defective control circuit.
Check connection diagram.
0
0
0
Bad connection and/or loose
connection.
Make proper connection.
0
0
Bad control switch contact.
Clean or replace device.
0
0
0
Incorrect terminal
connection.
Connect correctly.
0
0
Blown power supply fuse(s).
Remove cause of fault and
replace fuse(s).
0
0
Disconnected coil.
Survey cause and reconnect
coil.
0
0
Faulty drive unit.
Replace drive unit.
0
0
0
Defective latch mechanism.
Excite closing coil and check
latch hook.
0
0
Mechanism jammed.
Lubricate corresponding
portion.
0
Incorrect auxiliary
adjustment.
Adjust delayed N.C. contact
gap to 2.5mm +/- 0.3mm when
connected.
0
Bad auxiliary contact.
Clean or replace auxiliary
contact block.
SYMPTOM
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]
