Toshiba MMY-MAP0806HT7(J)P, Service Manual

Page: 218 / 350

Ye
s
No No
No
Ye
s
No
Ye
s
Ye
s
[P29] [P31]
e
s
u
a
C
e
d
o
c
k
c
e
h
C
Check code name
e
s
u
a
C
e
d
o
c
k
c
e
h
C
Check code name
Compressor position detective circuit error
1.
Wire/connector connection error
2. Compressor
error
3.
A3-IPDU P
.C. board error
Other indoor error (Group follower unit error)
Another indoor unit in the group is abnormal.
Sub-code:
01: Compressor 1, 02: Compressor 2
Are connector
connection and wiring
normal?
Is the unit grounded?
Is not winding
shorted? (Is winding
resistance 0.1 to
1.0
Ω
?)
Is not winding
opened?
Check and correct circuit and cables such as wiring to compressor
, etc.
Compressor error
Replace
Compressor error
Replace
Compressor error
Replace
Check
A3-IPDU P
.C. board.
Failure
Replace
When the header unit of the group detected error [E03], [L03], [L07] or [L08], the follower unit of the group displays [P31] error and stops.
There are no check code display and alarm record of the main remote controller
.
Ye
s
No
Ye
s
No
Ye
s
No
Ye
s
No
[P26]
Cause
Check code
Check code name
IPM
short-circuit protection error
1.
Outdoor unit power error
2.
A3-IPDU
error/Wire connection error
3. Compressor
error
4.
A3-IPDU
P.C. board error
Is power voltage
of outdoor unit
normal?
Is wire connector
connection on
INV P
.C. board
normal?
Is there no fusing
of
AC
31.5A
or
40A
fuse?
Is compressor
normal?
Correct power line. Correct connection of wire connector
.
Replace
A3-IPDU P.C.
board. Replace compressor
.
Replace A3-IPDU
P
.C.
board.
Sub-code:
01: Compressor 1, 02: Compressor 2
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