Outdoor Unit Fan Motor Lock Error - Fujitsu Airstage V-II Service Manual

Trouble shooting 48
OUTDOOR UNIT Error Method:

Outdoor Unit Fan Motor Lock Error

Detective Actuators:
Outdoor unit fan
Forecast of Cause :
1. Rotation obstruction by foreign matter
2. Motor wiring, connector disconnection, open
3. Fan motor defective (winding open, lock)
4. Main PCB defective (drive circuit, speed detection circuit)
Check Point 1 : Fan rotation state check
Check for the absence of foreign matter around the fan
OK
Check Point 2 : Check the motor wiring, connector disconnection, open
Check for motor wiring connector disconnection, open.
OK
Check Point 3 : Fan motor defective
Check if fan can be rotated by hand.
Motor winding resistance check
Motor operation check
OK
Check Point 4 : Replace Main PCB
Drive circuit output check
Check if speed can be detected.
>>If replace Main PCB and
Refer to 06-03 page Main PCB removal.
After fixing the problem and for canceling the Error, Error Reset (F3-40) will be required after power reset
Indicate or Display:
Outdoor Unit : E. 97. 1
Indoor Unit
Error Code
Detective details:
"Protection stop by "fan speed
command issued" was generated consecutively 5 times
* The compressor is protection stopped every time fan protection stop has
been generated 3 times.
and set up orignal address
: Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
: 97
100rpm" 20 seconds after fan operation
,
04-56