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SUPER DIGITAL

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Check code<br />

[F12]<br />

[Suction temp. sensor (TS) error]<br />

Check and troubleshooting<br />

(Item without special mention Indicates part of outdoor unit.)<br />

Is CN603 connection normal?<br />

Is resistance value of TS sensor normal?<br />

YES<br />

NO<br />

Correct connector.<br />

Sensor error → Replace<br />

Check outdoor P.C. board.<br />

Defect → Replace<br />

[H01]<br />

[Compressor break down]<br />

Is power supply voltage normal?<br />

AC198 to 264V<br />

YES<br />

NO<br />

Correct power supply line.<br />

Is wire connection normal?<br />

Compressor lead (Board side, Compressor side),<br />

Reactor lead, Power supply lead<br />

YES<br />

Is it not abnormal overload?<br />

NO<br />

NO<br />

YES<br />

Check wire connection<br />

and correct it.<br />

Correct and clear the cause.<br />

Check outdoor P.C. board.<br />

Defect → Replace<br />

[H02]<br />

[Compressor lock]<br />

Is power supply voltage normal?<br />

AC198 to 264V<br />

YES<br />

NO<br />

Correct power supply line.<br />

Is wire connection normal?<br />

Compressor lead (Board side, Compressor side),<br />

Reactor lead, Power supply lead<br />

YES<br />

Is compressor normal?<br />

NO<br />

Is there no refrigerant stagnation?<br />

YES<br />

Does PMV normally operate?<br />

YES<br />

NO<br />

YES<br />

NO<br />

NO<br />

Check wire connection<br />

and correct it.<br />

Check outdoor P.C. board.<br />

Defect → Replace<br />

Compressor lock → Replace<br />

Check TE, TS sensors and PMV.<br />

Defect → Replace<br />

Check outdoor P.C. board.<br />

Defect → Replace<br />

[H03]<br />

[Current detection circuit error]<br />

Check outdoor P.C. board.<br />

Defect → Replace<br />

– 137 –

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