Vivax ACP-24CH70AEB Service Manual

Service manual
37
13.3 Detailed malfunction analyse
Current protection
(LED indicates)
Check the indoor
air filter.
Does outdoor heat-
exchanger fr osted?
No
It is normal under
that ambient temp .
Check the
dra inage
system of
out door unit.
Yes
Does indoor heat-
exchanger frosted?
Yes
Check sp eed
of indoor
motor.
Yes
No
Doe s the outdoor
temp over 48 C?
o
Check the outdoor
condenser.
Does it occur in
C ool mode?
Check speed
of outdoor
motor.
Yes
Check the over-
current protector of
compressor.
No
Replace the
ma in PCB board .
Re place the
compressor.
Recycle the
refrigerant
and recharge.
No
Doe s the ind oor
temp low than 1 0 C?
o
Yes
No
Check the solenoid
coil of reverse valve.
C heck the over-
c urrent protector of
compressor.
Replace the
main PCB board.
Recycle the refrig e-
rant and rech arge.
R eplace the re verse
valve.
Check the position
and wiring of temp
sen sor (all of the m).
If wro ng, the unit will
result in current
prote ction, not tem p.
C heck the soft
starter mou ld.
Check the soft
starter mould.
Indoor/Outdoor Units Communication Protection
Is the L&N connections between
indoor and outdoor units correct?
Reconnect correctly.
Is the communication connection good?
Reconnect correctly.
Replace the outdor PCB, then run the mac hine.
Is the communication protection relie ved?
It means that the malfunction is
from indoor unit. Replace the indoor PCB.
Yes
No
No
Yes
Yes

Vivax ACP-24CH70AEB Specifications

General

Brand	Vivax
Model	ACP-24CH70AEB
Category	Air Conditioner
Language	English