Mitsubishi Electric MXZ-2C30VA, Service Manual

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93
-
-
9 times Lighted
Inverter check mode
Lighted Lighted Normal
The connector of compressor is disconnected.
Inverter check mode starts.
-
5 times Lighted
Cooling high-pressure
protection
This symptom does not mean any abnormality of the
product, but check the following points.
• Check if the indoor filters are clogged.
• Check if the refrigerant is short.
• Check if the indoor/outdoor unit air circulation is short
cycled.
The outdoor heat exchanger temperature exceeds 58°C during operation.
20
LED1(Red) LED2(Yellow)
Abnormal point / Condition Remedy
Indication
Condition No. Symptom
Outdoor unit
operates
normally.
21
22
Outdoor unit
operates.
Display P.C. board (Parts side)
Lighting
LED1 LED2
The flashing frequency shows the number of times the LED blinks after every 2.5-second OFF.
(Example) When the flashing frequency is “2”.
ON
OFF
2.5-second OFF
2.5-second OFF
0.5-second ON 0.5-second ON
NOTE 1. The location of LED is illustrated at the right figure. Refer to 11-7.6.
2. LED is lighted during normal operation.
OBH584G