No
Ye
s
Ye
s
No
Ye
s
No
Ye
s
Is not grounded between cabinet and 1, 3, 5?
Should be 10M
Ω
or more.
No
Ye
s
No
[P12]
CN333
CN334
Cause
Check code
Check code name
Indoor fan motor error
1.
Wiring error of fan motor connector
2.
Fan motor error
3.
Indoor P
.C. board error
T
urn of
f power supply
.
*
Detectable in model equipped with DC fan motor
(4-way cassette, 2-way cassette, 1-way cassette,
concealed duct, wall and ceiling types)
Is there
connection error or
disconnection on connector
CN333, CN334 of indoor P
.C.
board (MCC-1402)?
Does fan turn
without trouble when
turning it with
hands?
Is
resistance value
between each phase at
motor side of fan motor connector
CN333 on indoor P
.C.
board (MCC-1402)
correct? *1
Is resistance
value at motor side of fan
motor connector CN334 on
indoor P
.C. board (MCC-
1402) correct? *2
Is output
of indoor fan motor
position detective signal
correct? *3
Correct connector connection.
Replace indoor fan motor
.
Replace indoor fan motor
.
Replace indoor fan motor
.
Replace indoor fan motor
.
Check indoor P
.C. board
(MCC-1402).
Failure
Replace
Remove connectors CN333 and CN334
on indoor P
.C. board (MCC-1402).
1* •
Is not winding 1 (Red lead) to 3 (White lead), 3 (White lead) to 5 (Black lead), 5 (Black
lead) to 1 (Red lead) opened/shorted?
Resistance value should satisfy the follows.
[4-way Cassette type]
AP007 to
AP030:
Approx. 70 to 100
Ω
AP036 to
AP056:
Approx. 35 to 50
Ω
[2-way Cassette type]
AP007 to
AP015:
Approx. 70 to 100
Ω
AP018 to
AP030:
Approx. 30 to 70
Ω
AP036 to
AP056:
Approx. 20 to 50
Ω
[1-way Cassette type]
Approx. 30 to 70
Ω
[Ceiling type]
AP015 to
AP027:
Approx. 30 to 70
Ω
AP036 to
AP056:
Approx. 20 to 50
Ω
[W
all and concealed duct types]
Approx. 15 to 35
Ω
•
*2
Check resistance value of fan motor position detective circuit.
•
Is not winding 1 (Y
ellow lead) to 4 (Pink lead)
opened/shorted?
Resistance should be 5 to 20k
Ω
.
3* Check fan motor position detective signal. •
Measure voltage with tester between 1 and 5 of CN334 on
indoor P
.C. board (MCC-1402) under condition of CN333
and CN334 installed and power-ON.
T
urn fan slowly with
hands so that pin voltage fluctuates between 0 and 5V
.
•
Between 4 and 5: 5V
Ye
s
Ye
s
Ye
s
Ye
s
No
No
No
Ye
s
No
No
* Check there is 220-240V voltage of 1-3 pin of CN68 on indoor P
.C. board.
[P10]
Sub-code: Overflowing indoor unit's address
Cause
Check code
Is float SW
connector (Indoor
control P
.C. board
CN34) connected
normally?
Does float SW
operate?
Is wiring normal?
Does drain pump
operate?
Is power supply to
drain pump normal?*
Correct connector connection.
Check and correct wiring.
Check indoor P
.C. board.
Failure
Replace
Check indoor P
.C. board.
Failure
Replace
Check drain pipe, etc.
Replace drain pump, and check cabling.
Check code name
W
ater overflow in an indoor unit
1. Float
SW
malfunction
2.
Drain pump malfunction
3.
Clogging of drain pipe
4.
Indoor P
.C. board error
−
21
2
−
Summary of Contents for MMY-MAP0806HT7(J)P
Page 306: ...For HT8 J P E HT8 J P TR model 305 ...
Page 307: ...For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model 306 ...
Page 313: ... 312 For HT8 J P E HT8 J P TR model ...
Page 314: ... 313 For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model ...
Page 320: ... 319 For HT8 J P E HT8 J P TR model ...
Page 321: ... 320 For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model ...
Page 350: ......