Fujitsu AG * V09LAC Series Service Instruction page 45

When does not operate at all (Operation Lamp and Timer Lamp do not light up)
[Check Point]
(1) Is the input power voltage from the exclusive circuit AC outlet normal?
(2) Is the AC plug inserted to the AC outlet securely and not loose?
(3) Does not connected cable do wrong wiring?
(4) Check if each connector is inserted securely.
[Checking Flow Chart]
Is AC input voltage
Is AC voltage between 4pin of TM1 and TM5 normal?
Is AC voltage between VA1 normal?
Is DC voltage between terminals of C9 normal?
Is DC voltage between terminals of C12 normal?
Is DC voltage between terminals of C14 normal?
Is DC voltage between terminals of C17 normal?
Is DC voltage between terminal 3 & 4 of IC26 normal?
terminal 1-2 normal ?
between
YES (AC220/230V)
YES (AC220/230V)
YES (AC208/230V)
YES (DC260
YES (C7:DC20, C12: DC13.5V
YES (DC5V)
YES (DC15V)
YES (DC5Vp-p, Pulse wave of 50 or 60Hz)
Controller PCB defective
NO
(The power supply is not supplied to an outdoor unit
terminal board.)
(The connection mistake of an outdoor unit terminal board.)
(Outdoor unit F202 open)
NO
NO
NO
400V)
NO
1V)
NO
NO
NO
07-01
Fault of an input power supply.
Temp fuse defective
Switching power circuit
( F1, VA1 defective )
Switching power circuit
( L1, L2, D1 defective )
Switching power circuit
( IC8, T1, IC15, IC19 defective )
IC2 defective
IC20 defective
IC26 defective