Daikin BRCSZC - Fault Code Sheet

13
0 1
2
3 EF89AH
Fan interlock
(manual)
Adnormal
drain water
le
ve
l o
r
p
lu
g
missing
CJ4567
Insufficient
water supply
Drain level above limit
AC input over-
current
Faulty electronic
exp
a
ns
io
n
valve
Heater
overheating
Faulty or dirty
air cleaner
E H
No load up Faulty capacity
setting
Adnormal heat exchanger (1)
t
emp.
Adnormal heat exchanger (2)
temp.
Fan motor
overload over-
c
u
rre
n
t lock
Air direction
adjust motor
lo
ck
Ac tivation of safety device
(
g
e
n
e
r
a
l)
Faulty PCB
Indoor
INDOOROUTDOOR
Faulty sensor
system
(general)
U F
J L
P
A
C
Faulty drain
water level
sensor system
Faulty heat exchanger
temp. sensor system (R2T)
Faulty gas pipe
te
mp
.
sensor sy
stem
(R3T)
Fan motor over
lo
ad over
-
current, faulty
lock sensor
system
Air direction
m
o
tor
lo
ck,
faulty sensor system
Faulty AC input
current
s
enso
r
Faulty air su
c
tion temp.
sensor system
(
R1T)
Faulty air
suct
io
n
temp.
senso
r system
Faulty or dirty
sensor
Faulty humidity
sensor system
Faulty temp. sensor (remote controller)
Faulty radiation
sensor system
Faulty high pressure switch
A
c
tiva
tio
n
o
f
safety device (general)
Fa
u
lt
y
PC
B
outdoor
A
b
n
o
r
ma
l h
ig
h
pressure
(HPS)
Com
p
ress
o
r
motor overload
Compre
ssor
motor over- current lock
Abn
o
r
m
a
l
low
pressure (LPS)
Ou
t d
o
or
fan
motor overload over-current lock
AC in
put o
v
er
-
current
F
a
u
l
ty
electronic
expansion
valv
e
Pump over- current lock
Adnor
ma
l
water temp.
Ac tivation
of
field added safety device
Faulty drain water level system
Faulty heat storage unit
Faulty sensor
system
(general)
Faulty air
temp. sensor
system
Faulty po wer supply sensor s
ystem
Faulty high pressure
sw
itc
h
Faulty low
pressure sw
itch
Compressor
motor faulty ov
e
rloa
d
sensor system
Compressor
motor over- cu
r
ren
t lock
faulty s
ensor
system
Abnormal outdoor fan
mo
to
r
sign
al
Faulty AC input
power sensor
s
y
stem
Faulty outdoor
air temp.
sensor system
Faulty discharge air
temp. sensor system
Pump over-
current lock
faulty sensor
system
Faulty hot
water sensor
system
Faulty drain water level sensor system
Heat storage
unit alarm
Ac
tivation of
c
o
mmo
n
safety device
for system No. 1 & No. 2
Activation of
sa
f
ety d
e
vic
e
for system No. 1
Ac tivation of
sa
fety
d
ev
i
c
e
for system No. 2
Faulty
d
is
c
har
g
e pip
e
temp.
Refrigerant
ov
e
rch
a
rge
Adnormal
d
isc
h
a
r
ge
pressure
Adnormal high
o
il temp.
Adnormal
su
c
tio
n
pressure
Adnormal oil
pressu
r
e
Adnormal
surface oil level
Faulty refrigerant temp. sensor
system
Faulty pressure sensor system (general)
Faulty current
sensor system
Faulty
discharge pipe
temp. sensor
system
Faulty low
pressure
equivalent saturation
temp. sensor
s
y
ste
m
Faulty su
ction
pipe temp.
sensor system
Faulty heat exchanger temp.
sensor
system (R4T)
Faulty receiver
outlet liquid
pipe sensor (R7T)
Faulty liquid
pipe temp.
sensor system
Faulty
subcooler heat
exchanger gas
pipe sensor
(R5T)
Faulty discharge
pressure sensor system
Faulty oil temp. sensor system
Faulty suction
pressure
sensor system
Faulty oil pressure sensor system
Faulty surface
oil level sensor
system
Faulty INV
system
Faulty PCB Adnormal
temp. rise inside
c
ontr
o
l
box
Adnormal
temp. rise of
rad
ia
ti
on fin
(power transistor)
DC output over
-
current-
in
sta
n
t
a
n
e
o
u
s
AC output over- current-
in
sta
n
tan
e
o
u
s
Air conditioner
(multi) general in
put
o
ve
r
-
current
Inverter current abnormal
Inverter start- up error
Faulty power
transistor
Faulty transmission b
e
tw
e
e
n
IN
V
and control
PCB
Gas shortage
(ice thermal
s
to
rag
e
equipment)
High voltage of capacitor in
in
verte
r
circ
u
it
or power
imbalance
F
aul
t
y temp.
rise sensor
inside control
box
Faulty
radiation fin
(power transistor)
temp. rise
Faulty DC
current sensor
system
Faulty AC or DC output current sensor system
Air conditioner
(multi) general
input over- current
Failure of
transmission
between
i
ndoor and
outdoor units
Faulty transmission
between
in
d
oor
unit a
n
d
remote controller
Faulty transmission
between in
door units
(main & sub)
Short of gas Reversed
phase
connection
Faulty power
supply voltage
Faulty transmission
(gener
al) or
check operation is
not complete
Improper combination of
indoor &
outd
o
o
r
,
indoor &
remote cont.
Faulty capacity
setting
SYSTEM
Incorrect wiring/piping
(wiring/piping
connection error)
Indoor/outdoor
unit address not entered
Faulty central
control
address setting (Address
duplications)
Faulty
transmission
to/from
peripheral
equipment (air control
Faulty
transmission
between indoor unit and central
controller
Faulty
transmission between outdoor units
Faulty tr
ansmission
to/from remote
controller
s
(main & sub)
Faulty transmission
between indoor & outdoor in the same system
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e
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