122
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 for drain
8 times
Goes
out
6 times Goes
out
The indoor unit detects any
abnormalities in the LEV for drain.
Lighting Lighting
14-time flash
• Refer to 13-6.
"Check
of LEV".
• Check the drain pump of
the indoor unit.
• Refer to 13-6.
"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-2A30VA, MXZ-2A40VA - )
• Check the stop valve.
E2
Lighting
Abnormal point
(Failure mode / protection)
Condition
Correspondence
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 (13-4).
Summary of Contents for MXZ-2A30VA
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