Mitsubishi Electric QAHV-N560YA-HPB Service Handbook page 137
Hot water heat pump
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Also See for QAHV-N560YA-HPB:
- Installation & operation manual (85 pages) ,
- Data book (46 pages) ,
- Setup manual (62 pages)
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[ IX Troubleshooting ]
Error
code *1
Error type
(PCB *2
RC
M-NET)
Thermistor
i D
c s
h
a
g r
e
fault
• If it is detected that the discharge
temperature sensor (TH1) is open- or
5101
short-circuited for continuous 20
seconds or longer, Error code 5101
will appear, and the unit will come to
an abnormal stop.
S
u
t c
o i
n
e t
m
• If it is detected that the suction
temperature sensor (TH2) is open- or
5102
short-circuited for continuous 20
seconds or longer, Error code 5102
will appear, and the unit will come to
an abnormal stop.
Heat exchanger
outlet refrigerant temp sensor (TH3)
• If it is detected that the heat exchanger
5103
outlet refrigerant temperature sensor
(TH3) is open- or short-circuited for
continuous 20 seconds or longer, Error
code 5103 will appear, and the unit will
come to an abnormal stop.
Air-side heat exchanger
inlet refrigerant temp sensor (TH4)
• If it is detected that the air-side heat
5104
exchanger inlet refrigerant temperature
sensor (TH4) is open- or short-circuited
for continuous 20 seconds or longer,
Error code 5104 will appear, and the
unit will come to an abnormal stop.
Air-side heat exchanger
outlet refrigerant temp sensor (TH5)
• If it is detected that the air-side heat
5105
exchanger outlet refrigerant temperature
sensor (TH5) is open- or short-circuited
for continuous 20 seconds or longer,
Error code 5105 will appear, and the unit
will come to an abnormal stop.
O
u
s t
d i
e
e t
m
• If it is detected that the outside
temperature sensor (TH9) is open- or
5109
short-circuited for continuous 20
seconds or longer, Error code 5109
will appear, and the unit will come to
an abnormal stop.
O
u
l t
t e
w
t a
r e
• If it is detected that the outlet water
temperature sensor (TH11) is open- or
5111
short-circuited for continuous 20
seconds or longer, Error code 5111
will appear, and the unit will come to
an abnormal stop.
5112
I
l n
t e
w
t a
r e
S
h
l l e
e t
m
p
• If it is detected that the shell temperature
sensor (TH14) is open- or short-circuited
5114
for continuous 20 seconds or longer,
Error code 5114 will appear, and the unit
will come to an abnormal stop.
E
x
e t
n r
l a
w
t a
• If it is detected that the external water
sensor 1 (TH15) is open- or
5115
short-circuited for continuous 20
seconds or longer, Error code 5115
will appear, and the unit will come to
an abnormal stop.
E
x
e t
n r
l a
w
t a
• If it is detected that the external water
sensor 2 (TH16) is open- or
5116
short-circuited for continuous 20
seconds or longer, Error code 5116
will appear, and the unit will come to
an abnormal stop.
E
x
e t
n r
l a
w
t a
• If it is detected that the external water
sensor 3 (TH17) is open- or
5117
short-circuited for continuous 20
seconds or longer, Error code 5117
will appear, and the unit will come to
an abnormal stop.
5118
S
e
c
o
n
d
a
y r
• If it is detected that the secondary side
(when the
water sensor (TH18) is open- or
secondary
short-circuited for continuous 20
side
seconds or longer, Error code 5118
control is
will appear, and the unit will come to
enabled)
an abnormal stop.
HWE1517A
e t
m
p
s
e
n
s
r o
T (
H
) 1
p
s
e
n
s
r o
T (
H
) 2
p
s
e
n
s
r o
T (
H
) 9
e t
m
p
s
e
n
s
r o
T (
H
1
) 1
e t
m
p
s
e
n
s
r o
T (
H
1
) 2
s
e
n
s
r o
T (
H
1
) 4
r e
s
e
n
s
o
1 r
T (
H
1
) 5
r e
s
e
n
s
o
2 r
T (
H
1
) 6
r e
s
e
n
s
o
3 r
T (
H
1
) 7
s
d i
e
w
t a
r e
s
e
n
s
r o
T (
H
1
) 8
Cause
(Installation/Setting error)
B
B
Broken or shorted thermistor wiring
Broken or shorted thermistor wiring
Broken or shorted thermistor wiring
B
B
B
B
B
B
B
r B
- 130 -
Cause
(Parts problems)
o r
k
e
n
r o
s
h
r o
e t
d
h t
r e
m
t s i
r o
w
r i
n i
g
o r
k
e
n
r o
s
h
r o
e t
d
h t
r e
m
t s i
r o
w
r i
n i
g
o r
k
e
n
r o
s
h
r o
e t
d
h t
r e
m
t s i
r o
w
r i
n i
g
o r
k
e
n
r o
s
h
r o
e t
d
h t
r e
m
t s i
r o
w
r i
n i
g
o r
k
e
n
r o
s
h
r o
e t
d
h t
r e
m
t s i
r o
w
r i
n i
g
o r
k
e
n
or shorted thermistor wiring
o r
k
en or shorted thermistor wiring
o r
k
en or shorted thermistor wiring
o r
k
en or shorted thermistor wiring
oken or shorted thermistor wiring
Error reset *3
Unit
side
Remote
(PCB)
Operation
SWS1
SW
GB
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Troubleshooting
