Service manual

PART IV TROUBLESHOOTING - NO FAN
E-40
Fasten the fan motor wire
connections or replace the
display circuit board.
When the unit is turned on, the fan doesn't work properly. When the speed is switched, the fan has incorrect
speed rates.
Fasten the fan motor wire
connection, check the main circuit
board, motor capacitor and fan
motor.
Check the main circuit board or
replace the fan motor.
OK
OK
ENGLISH
Repair tips:
1. Check fan motor wire connection
2. Check fan motor capacitor
3. Check main circuit board
4. Check fan motor.
TROUBLESHOOTING CHART
Some of these steps expose dangerous
high voltage. Only qualified service
technician should attempt this procedure.
WARNING
No fan with incorrect
display lights
Step 1
No fan with correct
display lights
Step 2
Incorrect air flow
Step 3
NO FAN