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SiAF332111E
Error Code via Outdoor Unit PCB
Part 6 Service Diagnosis
185
4. Error Code via Outdoor Unit PCB
4.1 4/5 HP Models
Selection of setting item
Confirmation of error 1
To enter the monitor mode, press
the
MODE (BS1)
button when in
“Setting mode 1”.
Press the
SET (BS2)
button and set
the LED display to a setting item.
Press the
RETURN (BS3)
button
once to display "First digit" of error
code.
Confirmation of error 2
Press the
SET (BS2)
button once to
display "Second digit" of error code.
Press the
RETURN (BS3)
button
and switches to the initial status of
“Monitor mode”.
Press the
MODE (BS1)
button and
returns to “Setting mode 1”.
Confirmation of error 3
Press the
SET (BS2)
button once to
display "error location".
Detailed
description
on next
page.
Confirmation of error 4
Press the
SET (BS2)
button once to
display "master or slave 1 or slave 2"
and "error location".
Monitor mode
Contents of Error
Error Code
1
E
y
t
il
a
m
r
o
n
b
a
B
C
P
n
i
a
m
t
i
n
u
r
o
o
d
t
u
O
Abnormal high pressure switch
High pressure switch activated
E3
Abnormal low pressure switch
Low pressure switch activated
E4
5
E
k
c
o
l
r
o
s
s
e
r
p
m
o
c
r
e
t
r
e
v
n
i
f
o
n
o
i
t
c
e
t
e
D
k
c
o
l
r
o
s
s
e
r
p
m
o
C
Over load, overcurrent,
abnormal lock of outdoor fan motor
Detection of DC fan 1 motor lock
E7
Electronic expansion valve
abnormality
9
E
Main
3
F
i
d
T
l
a
m
r
o
n
b
A
e
r
u
t
a
r
e
p
m
e
t
e
p
i
p
e
g
r
a
h
c
s
i
d
l
a
m
r
o
n
b
A
4
F
m
r
a
l
a
y
t
i
d
i
m
u
H
Abnormal heat exchanger temperature Refrigerant overcharge
F6
7
H
y
t
il
a
m
r
o
n
b
a
l
a
n
g
i
s
r
o
t
o
m
n
a
f
r
o
o
d
t
u
O
Defective thermistor of outdoor air
temperature
Defective Ta sensor (short)
H9
Defective discharge pipe thermistor
Defective Tdi sensor (short)
J3
Defective suction pipe thermistor
Defective Ts1 sensor (short)
J5
Defective Ts2 sensor (short)
Defective outdoor heat exchanger
deicer thermistor
Defective Tb sensor (short)
J6
Defective sensor of high pressure
Defective Pc sensor (short)
JA
Defective sensor of low pressure
Defective Pe sensor (short)
JC
1
L
M
P
I
e
v
i
t
c
e
f
e
D
B
C
P
r
e
t
r
e
v
n
I
e
v
i
t
c
e
f
e
D
Abnormal current sensor offset
Abnormal IGBT
Defective current sensor
Abnormal SP-PAM overvoltage
Radiation fin temperature rising
Overheating of radiation fin temperature
L4
DC output overcurrent
Inverter instantaneous overcurrent
L5
Electronic thermal
Electronic thermal switch 1
L8
Electronic thermal switch 2
Out-of-step
Speed down after startup
Lightening detection
Stall prevention (Limit time)
Stall prevention (Current increasing)
L9
Stall prevention (Defective start up)
Abnormal wave form in startup
Out-of-step
Transmission error (Between inverter PCB and outdoor unit main PCB)
LC
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