Outdoor Unit Reverse Phase, Missing Phase Wire Error - Fujitsu Airstage V-II Service Manual

Trouble shooting 17
OUTDOOR UNIT Error Method:
Outdoor Unit Reverse Phase,
Missing Phase Wire Error
Detective Actuators:
Outdoor unit Main PCB
1. Noise, momentary open, voltage drop 2. Power supply defective
Forecast of Cause :
3. Filter PCB (Main) defective 4. Main PCB defective
Check Point 1 : Noise, momentary open, voltage drop
Check if temporary voltage drop was not generated.
Check if momentary open was not generated.
Check if ground is connection correctly or there are no related cables near the power line.
OK
Check Point 2 : Check the power supply
Power cable connection, open check
OK
Check Point 3 : Check Filter PCB (Main) and Main PCB
Check Filter PCB (Main) and Main PCB.
(Refer to "Sarvise Parts Information 4")
>>If replace Main PCB, Refer to 06-03 page Main PCB removal.
Indicate or Display:
Outdoor Unit : E. 61. 5
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Error Code : 61
Detective details:
Reverse phase prevention circuit detected reversed phase input or input was
not normal.
04-25