Vivax ACP-24COFM70GEI, Service Manual

Page: 34 / 37

5. Troubleshooting for trip after powered on
Trip after powered on
According to
circuit diagram
to check if there
is any problem
of wiring in outdoor
unit electric box
Is there any problem?
Yes
Yes
No
No
According to diagram
to correct
Malfunction disposed?
Tripped or not?
Yes
No
Yes
No
No
No
Yes
Yes
Short ciruit or not?
Tripped or not?
Tripped or not?
Replace FILTER
Finished
Replace system board AP1
Replace electric inductance L
Replace radiator sub-assy
Examine the wiring
of control board in
indoor unit, replace
PCB of indoor unit
Pull out the wire
on terminal 1 and
2 of FILTER, then
power on for testing
Pull out BU connection
wire on system board
AP1 and BN on X6,
then powered on for
testing
Pull out four pcs connection
wire of electric inductance L,
use the multimeter to test
whether it is short circuit
of Yellow, White terminals;
Use multimeter to test
whether it is short circuit
of Blue, Brown .
On the base of
above connection
wire, then pull out
X9(AC-N) on system
board AP1 and Bu,
BN on X10(AC-L),
then powered on
for testing