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Lamp indication<br />

Check code<br />

Cause of trouble occurrence<br />

<br />

Operation Timer Ready<br />

Alternate flash<br />

F01<br />

F02<br />

P10<br />

Heat exchanger sensor (TCJ) error<br />

Heat exchanger sensor (TC) error<br />

Heat exchanger sensor (TA) error<br />

⎫<br />

⎪<br />

⎬<br />

⎪<br />

⎭<br />

Indoor unit sensor error<br />

F04<br />

Operation Timer Ready<br />

Alternate flash<br />

F06<br />

F07<br />

F08<br />

F12<br />

F13<br />

Discharge temp. sensor (TD) error<br />

Temp. sensor (TE) error<br />

Temp. sensor (TL) error<br />

Temp. sensor (TO) error<br />

Temp. sensor (TS) error<br />

Temp. sensor (TH) error<br />

Temp. Sensor miswiring (TE, TS)<br />

⎫<br />

⎪<br />

⎪<br />

⎪<br />

⎬<br />

⎪<br />

⎪<br />

⎪<br />

⎭<br />

Sensor error of outdoor unit ∗1<br />

F15<br />

Operation Timer Ready<br />

F29<br />

Indoor EEPROM error<br />

Simultaneous flash<br />

Operation Timer Ready<br />

F31<br />

Outdoor EEPROM error<br />

Simultaneous flash<br />

Operation Timer Ready<br />

Flash<br />

Operation Timer Ready<br />

Simultaneous flash<br />

H01<br />

H02<br />

H03<br />

H04<br />

H06<br />

L03<br />

L07<br />

L08<br />

L09<br />

Compressor break down<br />

Compressor lock<br />

⎫<br />

⎪<br />

⎬<br />

⎪<br />

Current detection circuit error Outdoor compressor system error ∗1<br />

Case thermostat worked. ⎭<br />

Outdoor unit low pressure system error<br />

Duplicated master indoor units ⎫<br />

⎪<br />

There is indoor unit of group connection ⎬ → AUTO address<br />

in individual indoor unit.<br />

⎪<br />

* If group construction and<br />

Unsetting of group address<br />

⎭<br />

address are not normal<br />

Missed setting<br />

when power supply turned on,<br />

(Unset indoor capacity)<br />

automatically goes to address<br />

setup mode.<br />

Operation Timer Ready<br />

Simultaneous flash<br />

L10<br />

L20<br />

L29<br />

L30<br />

L31<br />

Unset model type (Service board)<br />

Duplicated indoor central addresses<br />

Outdoor unit and other error<br />

Outside interlock error<br />

Negative phase error<br />

⎫<br />

⎪<br />

⎪<br />

⎪<br />

⎬<br />

⎪<br />

⎪<br />

⎪<br />

⎭<br />

Others<br />

∗1: These are representative examples and the check code differs according to the outdoor unit to be combined.<br />

– 90 –

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