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