Mitsubishi DXK09Z5-S ユーザーズマニュアル

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■ We are constantly trying to do better service to our customers by installing such judges that show abnormality of each function as follows:

Outdoor temperature sensor error

• Broken outdoor sensor wire, poor connector connection

Description of trouble

Room temperature sensor error

Cause

• Broken heat exchanger sensor wire, poor connector

connection

Active filter voltage error

Heat exchanger sensor error

• Broken room temperature sensor wire, poor connector  

connection

• Defective power supply

• Broken heat exchanger fluid pipe sensor wire, poor 

connector connection

Discharge pipe sensor error

• Broken discharge pipe sensor wire, poor connector 

connection.

Rotor lock

• Defective compressor
• Open phase on compressor

• Defective outdoor unit boards

• Gas shortage, defective discharge pipe sensor, closed service

valve

• Broken power transistor, broken compressor wire
• Broken discharge pipe sensor wire, poor connector connection
• Compressor blockage

• Compressor locking, open phase on compressor output,

shortcircuit on power transistor, closed service valve

• Defective power supply, Broken signal wire, defective in/outdoor

unit boards

Power transistor error

• Broken power transistor

Current cut

Trouble of outdoor unit

Over current

• Overload operation, overcharge

Over heat of compressor

Error of signal transmission

Outdoor fan motor error

• Defective fan motor, poor connector connection

TIMER light ON

RUN light keeps flashing

RUN light 2 time flash

RUN light ON

2-time flash

5-time flash

1-time flash

RUN light

2-time flash

1-time flash

TIMER light

4-time flash

2-time flash

4-time flash

1-time flash

2-time flash

3-time flash

5-time flash

6-time flash

• Defective fan motor, poor connector connection

Indoor fan motor error

6-time flash

7-time flash

Cooling high pressure protection

• Gas over charge, short circuit of outdoor unit

Keep flashing

Outdoor heat exchanger fluid 
pipe sensor error

RLC012A002A_EN_001-022

4/8/14, 11:01

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