Mitsubishi Electric MXZ-2C30VA, Руководство по обслуживанию

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87
11-time flash
15-time flash
• Replace the inverter P.C.
board.
• Replace the inverter P.C.
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 Not
lighted
6 times Not
lighted
The indoor unit detects abnormality
in the LEV and drain pump. Lighted Lighted
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 Not
lighted
12 times Stop valve
(Closed valve)
Closed valve is detected by compressor
current.
(MXZ-2C30VA, MXZ-2C40VA)
• Check the stop valve.
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).
OBH584G