Chapter 4
Maintenance and Checkup
CMN005-002
37
E
nglis
h
4.5
Troubleshooting
No.
Trouble phenomenon
Cause
Remedy
①
Motor fails to start or
suddenly stops running.
Power not turned on
Turn on the power.
Blown fuse
Replace the fuses.
Faulty motor
Call for repair.
The motor must be replaced.
Stopped due to
overload or abnormal
temperature
[1] Check that the exhaust/suction ports are
not blocked.
[2] Check the rated voltage.
[3] Check for multiple (octopus)
connections.
[4] Check for motor overheat due to either
filter clogging or suction temperature.
After the checks [1] to [4], take corrective
action, and then turn the main power
switch off and back on.
If the operation cannot resume, the
temperature thermostat of the motor may
be active. Turn off the main power, and
after 30 minutes, resume the operation.
。
Primary or secondary
filter not in place
Install the primary and secondary filters
correctly.
Disengaged snap
locks for main body
Engage the snap locks for suction-side
filter case securely.
②
Lower suction force
Clogged filter
Replace filters.
If filters are left clogged, the device may
result in “untrapped particles” or
“temperature rise in dust collector”.
Clogged piping or
suction port
Check if piping is clogged or the suction
port blocked.
Faulty motor
Call for repair.
The motor must be replaced.
③
Untrapped particles
Improper filter
installation
Reinstall filters.
Filter broken or past
service life
Replace filters.
Clogged filter
Replace filters.
④
Odd noise or vibration
from motor
Foreign matter
entered in blower.
Call for repair.
Broken motor bearing Call for repair.
Note: For other phenomena, contact CHIKO AIRTEC.
Summary of Contents for SK-250AT
Page 23: ...CMN005 003 21 6 3 3 SK 750AT PM ...
Page 45: ...CMN005 002 43 6 3 3 SK 750AT PM ...
Page 47: ...MEMO ...