Service Check Function
SiENBE18-621
264
Troubleshooting
2.6
Malfunction Code Indication by Outdoor Unit PCB
<
S
election of
s
ettin
g
item>
<Monitor mode>
<Confirmation of malfunction 1>
To enter the monitor mode, p
us
h the
MODE (B
S
1)
bu
tton when in
“S
etting mode 1
”
.
P
us
h the
S
ET (B
S
2)
bu
tton
a
nd
s
et
the LED di
s
pl
a
y to
a
s
etting item.
P
us
h the RETURN (B
S3
)
bu
tton
once to di
s
pl
a
y "Fir
s
t digit" of
m
a
lf
u
nction code.
<Confirmation of malfunction 2>
P
us
h the
S
ET (B
S
2)
bu
tton once to
di
s
pl
a
y "
S
econd digit" of m
a
lf
u
nction
code.
P
us
h the RETURN (B
S3
)
bu
tton
a
nd
s
witche
s
to the initi
a
l
s
t
a
t
us
of
“
Monitor mode
”
.
∗
P
us
h the MODE (B
S
1)
bu
tton
a
nd
ret
u
rn
s
to
“S
etting mode 1
”
.
<Confirmation of malfunction
3
>
P
us
h the
S
ET (B
S
2)
bu
tton once to
di
s
pl
a
y "m
a
lf
u
nction loc
a
tion".
Det
a
il
de
s
cription
on next
p
a
ge.
<Confirmation of malfunction 4>
P
us
h the
S
ET (B
S
2)
bu
tton once to
di
s
pl
a
y "m
as
ter or
s
l
a
ve 1 or
s
l
a
ve 2"
a
nd "m
a
lf
u
nction loc
a
tion".
Contents of malfunction
Malfunction
code
In-phase malfunction of DIII-NET
Detection of DIII-NET
E1
Abnormal discharge pressure
HPS activated
E3
Abnormal suction pressure
Abnormal Pe
E4
Compressor lock
Detection of INV compressor lock
E5
Over load, over current,
abnormal lock of outdoor unit fan motor
Detection of DC fan 1 motor lock
E7
Detection of DC fan 2 motor lock
Malfunction of electronic expansion
valve
EV1
E9
EV3
Faulty sensor of outdoor air
temperature
Faulty Ta sensor (short)
H9
Abnormal discharge pipe temperature
Abnormal Td
F3
Abnormal heat exchanger temperature Refrigerant over charge
F6
Faulty sensor of discharge pipe
temperature
Faulty Tdi sensor (short)
J3
Faulty sensor of suction pipe
temperature
Faulty Ts1 sensor (short)
J5
Faulty Ts2 sensor (short)
Faulty sensor of heat exchanger
temperature
Faulty Tb sensor (short)
J6
Malfunction of the liquid pipe
temperature sensor
Faulty TI sensor (short)
J7
Faulty sensor of subcool heat
exchanger temperature
Faulty Tsh sensor (short)
J9
Faulty sensor of discharge pressure
Faulty Pc sensor (short)
JA
Faulty sensor of suction pressure
Faulty Pe sensor (short)
JC
Faulty Inverter PC board
Faulty IPM
L1
Abnormal Current sensor offset
Abnormal IGBT
Faulty Current sensor
Abnormal SP-PAM over-voltage
Inverter radiation fin temperature rising Over heating of inverter radiation fin temperature
L4
DC output over current
Inverter instantaneous over current
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 (Faulty start up)
Abnormal wave form in startup
Out-of-step
Transmission error between inverter
and outdoor unit
Inverter transmission error
LC
Summary of Contents for BPMKS967B2B
Page 1: ...SiENBE18 621 E Series Service Manual Applied Models Super Multi Plus Heat Pump...
Page 12: ...SiENBE18 621 List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Page 19: ...List of Functions SiENBE18 621 8 List of Functions...
Page 33: ...Specifications SiENBE18 621 22 Specifications...
Page 69: ...Refrigerant Flow for Each Operation Mode SiENBE18 621 58 Refrigerant Circuit...
Page 121: ...Indoor Unit SkyAir Models SiENBE18 621 110 Function...
Page 169: ...Instruction SiENBE18 621 158 System Configuration FTXS 20 25 35C Indoor Unit...
Page 371: ...Method of Replacing The Inverter s Power Transistors Modules SiENBE18 621 360 Troubleshooting...
Page 393: ...SiENBE18 621 vi Index...