Troubleshooting - Toshiba MMY-MAP0806FT8P-E Installation Manual
Air conditioner (multi type)
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Also See for MMY-MAP0806FT8P-E:
- Installation manual (92 pages) ,
- Service manual (354 pages)
Table of Contents
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11
Troubleshooting
In addition to the CODE No. on the remote controller of an indoor unit, you can diagnose failure type of an
outdoor unit by checking the 7-segment display on the interface P.C. Board.
Use the function for various checks.
Set every DIP switch to OFF after checking.
7-Segment display and check code
Rotary switch setting value
SW01
SW02
SW03
1
1
1
Outdoor unit check code
* If a check code has an auxiliary code, the display indicates the check code for three seconds and the auxiliary
code for one second alternately.
Check code (indicated on the 7-segment display on the outdoor unit)
Indicated when SW01 = [1], SW02 = [1], and SW03 = [1].
Check code
Indication on 7-segment display on the outdoor unit
Auxiliary code
E06
Number of indoor units which received normally
E
0
7
—
E
0
8
D
u
p
c i l
a
e t
d
n i
d
o
r o
a
d
d
e r
s s
e
s
01: Communication between indoor and outdoor units
E12
02: Communication between outdoor units
E
1
5
—
00: Capacity over
E16
01: Number of connected units
00: Header is nothing
E19
02: 2 or more header units
01: Other line outdoor connected
E20
02: Other line indoor connected
E
2
3
—
E
2
5
—
E26
Number of outdoor units which received normally
E
2
8
D
e
e t
c
e t
d
o
u
d t
o
r o
U
N
T I
N
. o
E31
IPDU quantity information
(*1)
E
3
1
8
0
F
0
4
—
F
0
5
—
01: TE1 sensor
F06
02: TE2 sensor
F
0
7
0
: 1
T
L
1
s
e
n
s
r o
F
0
8
—
65-EN
D600
D601 D602 D603 D604
Indication
LED
A
Outdoor unit number
A
(U1 to U3)
B
Check code display*
Check code name
Decrease of number of indoor units
n I
d
o
r o
o /
u
d t
o
r o
c
o
m
m
u
n
c i
t a
o i
n
i c
c r
u
D
u
p
c i l
t a
o i
n
f o
n i
d
o
r o
a
d
d
e r
s s
e
. s
Automatic addressing start error
N
o
n i
d
o
r o
u
n
t i
d
r u
n i
g
a
u
o t
m
a
c i t
a
d
d
Capacity over / number of connected indoor units
Number of header outdoor unit error
Other lines connected during automatic addressing
Communication transmission error between
outdoor units
D
u
p
c i l
a
e t
d
o f
o l l
w
r e
o
u
d t
o
r o
a
d
d
e r
s s
Decrease of connected outdoor units
F
o
o l l
w
r e
o
u
d t
o
r o
u
n
t i
e
r r
r o
IPDU communication error
C
o
m
m
u
n
c i
t a
o i
n
e
r r
r o
b
e
w t
e
e
n
M
C
U
T
D
1
s
e
n
s
r o
e
r r
r o
T
D
2
s
e
n
s
r o
e
r r
r o
TE1 sensor error
TE2 sensor error
T
L
1
s
e
n
s
r o
e
r r
r o
T
O
s
e
n
s
r o
e
r r
r o
– 33 –
Indication on 7-segment display on the outdoor unit
01: TS1 sensor
F12
02: TS2 sensor
01: Compressor 1
F13
02: Compressor 2
F
1
5
F
1
6
F
2
3
F
2
4
B
F
3
1
01: Compressor 1
H01
02: Compressor 2
01: Compressor 1
H02
02: Compressor 2
01: Compressor 1
H03
02: Compressor 2
H
0
5
H
0
6
H07
Detected outdoor UNIT No.
01: TK1 sensor error
02: TK2 sensor error
H08
04: TK4 sensor error
t i
e
r r
r o
05: TK5 sensor error
H
1
5
01: TK1 oil circuit error
02: TK2 oil circuit error
H16
04: TK4 oil circuit error
e r
s s
n i
g
05: TK5 oil circuit error
J
1
0
D
e
e t
c
L
0
2
L
0
4
L
0
6
N
u
m
b
L
0
8
L
1
0
L12
01: Flow selector unit(s) installation error
s
t e
u
p
L
1
7
L
1
8
D
e
e t
c
L
2
3
0
: 2
H
01: Duplication of flow selector unit address
a
n
d
s
u
b
M
C
U
L24
02: Indoor unit(s) operation mode priority setting
L
2
8
L29
IPDU number information
L
3
0
D
e
e t
c
L
3
1
Check code
Auxiliary code
TS1 or TS2 sensor error
TH (Heat sink) sensor error
—
O
u
—
O
u
—
P
s
—
P
d
—
O
u
Compressor breaking down
Compressor error (Locked)
Current detection circuit error
—
T
D
—
L
o
Oil level down detection
(Indicated only on the header outdoor unit)
Temperature sensor error for oil level
—
T
D
Oil level detector circuit error
e t
d
n i
d
o
r o
u
n
t i
a
d
d
e r
s s
F
o l
—
O
u
—
O
u
r e
f o
p
i r
r o
n i
d
o
r o
u
n
s t i
D
u
—
n I
d
—
O
u
Flow selector unit(s) system error
—
n I
c
e t
d
n i
d
o
r o
u
n
t i
a
d
d
e r
s s
F
o l
W
M
(
H
t o
W
t a
r e
M
o
d
l u
) e
S
w
Flow selector unit(s) setting error
—
O
u
IPDU quantity error
(*1)
e t
d
n i
d
o
r o
u
n
t i
a
d
d
e r
s s
E
x
—
C
o
Check code name
d t
o
r o
e t
m
. p
s
e
n
s
r o
m
s i
w
r i
n i
g
T (
E
, 1
T
L
) 1
d t
o
r o
p
e r
s s
u
e r
s
e
n
s
r o
m
s i
w
r i
n i
g
P (
, d
P
) s
s
e
n
s
r o
e
r r
r o
s
e
n
s
r o
e
r r
r o
d t
o
r o
E
E
P
R
O
M
e
r r
r o
1
s
e
n
s
r o
m
s i
w
r i
n i
g
w
p
e r
s s
u
e r
p
o r
e t
c
v i t
e
o
p
r e
t a
o i
n
2
s
e
n
s
r o
m
s i
w
r i
n i
g
w
s
e
e l
t c
r o
u
n
s t i
o
v
r e
flow error
d t
o
r o
u
n
s t i
m
o
d
l e
d
s i
a
g
e r
e
m
e
t n
e
r r
r o
d t
o
r o
s
s y
e t
m
a
d
d
e r
s s
d
u
p
c i l
t a
o i
n
p
c i l
t a
o i
n
f o
n i
d
o
r o
u
n
s t i
i w
h t
p
i r
r o
y t i
o
r o
u
n
t i
g
o r
u
p
a /
d
d
e r
s s
u
n
s
t e
d t
o
r o
u
n
t i
c
a
p
a
c
y t i
u
n
s
e
. t
o
n
s
s i
e t
t n
m
o
d
e
s l
f o
o
u
d t
o
r o
u
n
s t i
w
s
e
e l
t c
r o
u
n
t i
e
r r
r o
c t i
h
s
e
t t
n i
g
t
o r
u
b
e l
f o
o
u
d t
o
r o
u
n
t i
d t
o
r o
c
o
n
n
e
c
e t
d
q
u
a
t n
y t i
o
v
r e
e t
n r
a
i l
t n
r e
o l
k c
f o
n i
d
o
r o
u
n
t i
m
p
e r
s s
r o
P I
D
U
r e
o r
s r
66-EN
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