Ye
s
Ye
s
Ye
s
Ye
s
No
No
No
Ye
s
No
No
No
Ye
s
* Check there is 220V voltage of 1-3 pin of CN504 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
CN30) connected
normally?
Does float SW
operate?
Is wiring normal?
Does drain pump
operate?
Is there a trap in
the drainage route?
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
Replace drain pump.
Improve the clogged
drain pipe.
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
trouble
Improve the trap section
- 218 -
Содержание MMY-MUP0801HT7JP
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