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128
11-time flash
15-time flash
Check the connecting
wire between the outdoor
control P.C. board and
the power P.C. board.
Replace the power P.C.
board.
Check the connecting
wire between the control
P.C. board, the noise
filter P.C. board and
the power P.C. board.
Check the voltage of the
power supply.
5HSODFHWKH
power P.C.
board.
Check the voltage of the
power supply.
5HSODFHWKHRXWGRRU
control P.C. board.
Refer to 11-6. "Check
of LEV".
Check the drain pump of
the indoor unit.
The communication between boards
protection cut-out operates 2
consecutive times.
Communication error occurs
between the electronic control P.C.
board and power board for more
than 10 seconds.
Current sensor protection cut-out
operates 2 consecutive times.
A short or open circuit is detected in
the current sensor during compressor
operating.
The protection cut-out of the zero cross
detecting circuit operates 10
consecutive times.
Zero cross signal cannot be detected
while the compressor is operating.
A failure is detected in the operation
of the converter during operation.
The bus-bar voltage exceeds 400 V or
falls to 200 V or below during
compressor operating.
The bus-bar voltage exceeds
400 V
(MXZ-3D54/3D68/4D72VA
MXZ-3D54VA2)
430 V
(MXZ-4D83/5D102VA)
or falls to 50V or below during
compressor operating.
Communication error
between P.C. boards
Current sensor
Zero cross detecting circuit
Converter
Bus-bar voltage
(1)
Bus-bar voltage
(2)
Even if this protection stop is
performed continuously three
times, it does not mean the
abnormality in outdoor power
system.
LEV and drain pump
Lighted 6 times
Lighted 7 times
5 times
Not
lighted
5 times
Not
lighted
5 times
6 times
Not
lighted
Not
lighted
The indoor unit detects an abnormality
in the LEV and drain pump.
Lighted Lighted
Abnormal point
(Failure mode/protection)
Condition
Remedy
Indoor/outdoor
unit failure mode
recall function
LED indication
(Outdoor P.C. board)
LED 1
LED 2
Upper or left lamp of
OPERATION INDICATOR
lamp (Indoor unit)
NOTE
: Blinking patterns of this mode differ from the ones of "Troubleshooting check table" (11-4).
OBH626K
Содержание MXZ-2D33VA
Страница 25: ...25 WIRING DIAGRAM 6 MXZ 2D33VA E1 MXZ 2D40VA E1 MXZ 2D53VA E1 OUTDOOR DISPLAY P C BOARD OBH626K ...
Страница 26: ...26 MXZ 2D33VA E2 MXZ 2D42VA E2 MXZ 2D53VA E2 OBH626K ...
Страница 27: ...27 MXZ 2D33VA E3 MXZ 2D42VA E3 MXZ 2D53VA E3 OBH626K ...
Страница 28: ...28 MXZ 2D33VA ER2 MXZ 2D40VA ER2 MXZ 2D53VA ER2 OBH626K ...
Страница 29: ...29 MXZ 2D33VA ER3 MXZ 2D42VA ER3 MXZ 2D53VA ER3 OBH626K ...
Страница 30: ...30 MXZ 2D33VA ET2 MXZ 2D42VA ET2 MXZ 2D53VA ET2 OBH626K ...
Страница 31: ...31 MXZ 2D33VA ET3 MXZ 2D42VA ET3 MXZ 2D53VA ET3 OBH626K ...
Страница 33: ...33 MXZ 2D53VAH E1 OUTDOOR DISPLAY P C BOARD OBH626K ...
Страница 34: ...34 MXZ 2D53VAH E2 OBH626K ...
Страница 35: ...35 MXZ 2D53VAH E3 OBH626K ...
Страница 36: ...36 MXZ 2D53VAH ER2 OBH626K ...
Страница 37: ...37 MXZ 2D53VAH ER3 OBH626K ...
Страница 39: ...39 MXZ 3D54VA E1 OBH626K ...
Страница 40: ...40 MXZ 3D54VA2 E2 OBH626K ...
Страница 41: ...41 MXZ 3D54VA2 E3 OBH626K ...
Страница 42: ...42 MXZ 3D54VA2 ER2 OBH626K ...
Страница 43: ...43 MXZ 3D54VA2 ER3 OBH626K ...
Страница 44: ...44 MXZ 3D54VA2 ET2 OBH626K ...
Страница 45: ...45 MXZ 3D54VA2 ET3 OBH626K ...
Страница 46: ...46 MXZ 3D68VA E1 OBH626K ...
Страница 47: ...47 MXZ 3D68VA E2 OBH626K ...
Страница 48: ...48 MXZ 3D68VA E3 OBH626K ...
Страница 49: ...49 MXZ 3D68VA ER2 OBH626K ...
Страница 50: ...50 MXZ 3D68VA ER3 OBH626K ...
Страница 51: ...51 MXZ 3D68VA ET2 OBH626K ...
Страница 52: ...52 MXZ 3D68VA ET3 OBH626K ...
Страница 53: ...53 MXZ 4D72VA E1 OBH626K ...
Страница 54: ...54 MXZ 4D72VA E2 OBH626K ...
Страница 55: ...55 MXZ 4D72VA E3 OBH626K ...
Страница 56: ...56 MXZ 4D72VA ER2 OBH626K ...
Страница 57: ...57 MXZ 4D72VA ER3 OBH626K ...
Страница 58: ...58 MXZ 4D72VA ET2 OBH626K ...
Страница 59: ...59 MXZ 4D72VA ET3 OBH626K ...
Страница 60: ...60 MXZ 4D83VA E1 OBH626K ...
Страница 61: ...61 MXZ 4D83VA E2 OBH626K ...
Страница 62: ...62 MXZ 4D83VA ER1 OBH626K ...
Страница 63: ...63 MXZ 4D83VA ER2 OBH626K ...
Страница 64: ...64 MXZ 4D83VA ET2 OBH626K ...
Страница 65: ...65 MXZ 5D102VA E1 OBH626K ...
Страница 66: ...66 MXZ 5D102VA E2 OBH626K ...
Страница 67: ...67 MXZ 5D102VA ER1 OBH626K ...
Страница 68: ...68 MXZ 5D102VA ER2 OBH626K ...
Страница 69: ...69 MXZ 5D102VA ET2 OBH626K ...