67
11-time flash
15-time flash
• Replace the power
board.
• Replace the power
board.
A short or open circuit is detected in
the current sensor
during compressor operating.
The bus-bar voltage exceeds 430 V
or falls to 50 V or below during
compressor operating.
Current sensor
Bus-bar voltage
LEV and drain pump
8 times Goes
out
6 times Goes
out
The indoor unit detects an abnormality
in the LEV and drain pump.
Lighting Lighting
14-time flash
• Refer to 11-6.
"Check
of LEV".
• Check the drain pump of
the indoor unit.
• Refer to 11-6.
"How to
check inverter/
compressor".
Power module
There is a high possibility that the
power module is out of order.
7 times Goes
out
12 times
Stop valve
(Closed valve)
Closed valve is detected by compressor
current.
(
MXZ-2B30VA, MXZ-2B40VA
)
• Check the stop valve.
Lighting
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).
OBH554D
Содержание MXZ-2B30VA
Страница 19: ...19 WIRING DIAGRAM 6 MXZ 2B30VA MXZ 2B40VA MXZ 2B52VA TB3 TB2 TB1 OBH554D ...
Страница 20: ...20 MXZ 3B54VA OBH554D ...
Страница 21: ...21 MXZ 3B68VA OBH554D ...
Страница 22: ...22 MXZ 4B71VA OBH554D ...
Страница 23: ...23 MXZ 4B80VA OBH554D ...
Страница 24: ...24 MXZ 5B100VA OBH554D ...