1. Manuals
  2. Brands
  3. Mitsubishi Electric Manuals
  4. Heat Pump
  5. CRHV-P600YA-HPB
  6. Service handbook

Mitsubishi Electric CRHV-P600YA-HPB Service Handbook page 128

Hot water heat pump
Hide thumbs
Table of Contents

Advertisement

[ IX Troubleshooting ]
2. Error code list
If a problem occurs, please check the following before calling for service.
(1) Check the error code against the table below.
(2) Check for possible causes of problems listed in the "Cause" column that correspond to the error code.
(3) If the error codes that appear on the display are not listed in the table below, or no problems were found with the
items listed in the "Cause" column, please consult your dealer or servicer.
Diagnosing Problems Using Error Codes
Error
code *1
Error type
(PCB *2)
A000
U
n
e r
s
t e
r e
o r
s r
P
o
w
r e
a f
u l i
e r
4106
Water supply cutoff
2501
(Flow switch has been triggered.)
H
g i
h
p
e r
s s
u
e r
a f
u
t l
1302
Compressor flooding
1502
V
a
c
u
u
m
p
o r
e t
t c
o i
n
a f
u
t l
1303
S
h
l l e
e t
m
p
e
a r
u t
e r
a f
u
t l
1103
5109
Ther-
O
u
s t
d i
e
e t
m
p
e
mistor
5111
Inlet water temperature (TH11 MAIN Circuit)
fault
Inlet water temperature (TH17 SUB Circuit)
5117
Outlet water temperature (TH12 MAIN
5112
Circuit)
5118
Outlet water temperature (TH18 SUB Circuit)
5113
I
l n
t e
h
e
t a
s
o
u
c r
Outlet heat source temperature
5114
(TH14 MAIN Circuit)
5120
Outlet heat source temperature
(TH20 SUB Circuit)
5103
Shell temperature (TH3 MAIN Circuit)
Shell temperature (TH7 SUB Circuit)
5107
5101
Discharge temperature (TH1 MAIN Circuit)
Discharge temperature (TH5 SUB Circuit)
5105
5102
Suction temperature (TH2 MAIN Circuit)
Suction temperature (TH6 SUB Circuit)
5106
Evaporator wall temperature
5104
(TH4 MAIN Circuit)
5108
Evaporator wall temperature
(TH8 SUB Circuit)
5115
E
x
e t
n r
l a
w
t a
r e
5116
E
x
e t
n r
l a
w
t a
r e
5201
High-pressure sensor fault/high-pressure faul
5202
L
o
w
p -
e r
s s
u
e r
s
e
n
s
r o
a f
M
o
d
e
s l
e
t t
n i
g
e
r r
r o
1
7113
Model setting error 2
7117
P
o
w
r e
s
u
p
p
y l
f
e r
q
u
e
n
y c
4115
4102
O
p
e
n
p
h
a
s
e
4106
Power supply fault
255
(
)
HWE1312A
5 *
S
o
m
e
P
o
w
r e
operation switch is switched on.
The water flow rate dropped below the
flow switch threshold.
Water supply cutoff
N
o
w
t a
Water supply cutoff
T
h
e
h
e
the operating range.
T
h
e
h
e
the upper limit of the operating range.
Excessive oil flow
a r
u t
e r
T (
H
) 9
e
e t
m
p
e
a r
u t
e r
T (
H
1
) 3
*7
*7
e t
m
p
e
a r
u t
e r
T (
H
1
) 5
e t
m
p
e
a r
u t
e r
T (
H
1
) 6
t
u
/ t l
o l
w
p -
e r
s s
u
e r
a f
u
t l
D
p i
s
w
incorrectly during maintenance.
a f
u
t l
P
o
w
r e
other than 50 Hz or 60 Hz.
T
h
e
e r
Cause
(Installation/Setting error)
f o
h t
e
r e
o r
s r
h
a
v
e
n
t o
b
e
e
n
e r
s
e
. t
a f
u l i
e r
o
c c
r u
e r
d
w
h
e
n
h t
e
• Open-circuited flow switch
• Broken flow switch wiring
r e
• Linear expansion valve fault
• High-pressure sensor fault
• Low-pressure sensor fault
• Shell temperature thermistor fault
• High-pressure sensor fault
• Discharge refrigerant temperature
thermistor fault
• Linear expansion valve fault
a
s t
o
u
c r
e
e t
m
p
e
a r
u t
e r
w
a
s
b
e
o l
w
• Low-pressure sensor fault
• Suction refrigerant temperature
thermistor fault
• Linear expansion valve fault
• Refrigerant deficiency (refrigerant gas
leak)
a
s t
o
u
c r
e
e t
m
p
e
a r
u t
e r
w
a
s
a
b
o
v
e
• Shell temperature thermistor fault
• Linear expansion valve fault
•
B
• Broken or shorted thermistor wiring
• Broken or shorted thermistor wiring
•
B
• Broken or shorted thermistor wiring
• Broken or shorted thermistor wiring
• Broken or shorted thermistor wiring
• Broken or shorted thermistor wiring
• Broken or shorted thermistor wiring
•
B
•
B
•
B
•
B
c t i
h
e
s
o
n
h t
e
P
C
B
w
e
e r
s
t e
• Resistor R21 fault (connected to the
Main control board)
s
u
p
p
y l
f
e r
q
u
e
n
y c
s i
a
f
e r
q
u
e
n
y c
s i
a
n
o
p
e
n
p
h
a
s
. e
•
i C
• Transmission power supply PCB fault
- 121 -
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
p
e r
s s
u
e r
s
e
n
s
r o
w
r i
n i
o r
k
e
n
r o
s
h
r o
e t
d
p
e r
s s
u
e r
s
e
n
s
r o
w
r i
n i
c r
u
t i
b
o
a
d r
a f
u
t l
Error reset *3
Unit
side
Remote
(PCB)
Operation
SWS1
SW
g
g
GB

Advertisement

Table of Contents
loading

Related Manuals for Mitsubishi Electric CRHV-P600YA-HPB

Related Products for Mitsubishi Electric CRHV-P600YA-HPB

Table of Contents