FU-60SE-S
TROUBLESHOOTING GUIDE
Always use the designated parts when replacing parts.
Service of the PWB ass'y
The electrical circuit is composed of the Display PWB, Switch PWB ass'y, Relay PWB ass'y and the Power supply
PWB ass'y.
No.Condition of defectiveCause and symptomRemedy
1Does not operate.Improper wiringCheck the insertion of connector,
repair, or replace.
The fan is abnormally heavy when rotated Replace the motor and PWB.
by hand.(Motor breakaway and broken
PWB current fuse)
Broken current fuse of power PWB Inspect the motor.
(motor may be defective)(Rotate the fan by hand as mentio-
ned above, and when it is heavy
replace the motor or PWB.)
Broken current fuse of the power PWB Replace the PWB.
and varistor [VRS1] breakaway
PWB failureReplace.
Disconnection of power supply cord Replace.
assembly.
2Malfunction of key PWB failureReplace.
(key is not in)
Improper assemblyRepair or replace.
The key is left pressed.Repair.
3The fan motor does not PWB failureReplace.
rotate.Improper wiringCheck the insertion of connector,
repair, or replace.
Motor failureReplace.
4Quiet lamp flickeringThe motor harness is not properly insertedCheck the insertion.
to the motor.
The motor harness is not properly inserted Check the insertion.
to the PWB.
5Cluster ion lamp (blue) The Plasma cluster unit harness is not Check the insertion.
flickeringproperly inserted to the cluster unit.
The Plasma cluster unit harness is not Check the insertion.
properly inserted to the PWB.
6Abnormal noise is genera- Motor failureReplace.
ted.Improper mounting of the motorRepair.
Improper shape of the fanReplace.
Improper mounting of the fanRepair or replace.
7It is not operated with the It is used near inverter illumination or the Change the installing place or
remote controller.illumination instrument is old and glimmers.replace the illumination instrument.
It is used in a place with direct sunlight.Change the installing place.
PWB failureReplace.
No battery is in the remote controller.Put in a battery.
The battery in the remote controller is dead.Replace the battery.
9Dust collecting performan- The replacing period of the filter is passed.Replace the filter.
ce is bad.The pre-filter is clogged.Clean.
There are obstacles near the air outlet or Change the installing place.
air inlet.
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