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SUPER DIGITAL

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Check<br />

code<br />

Outdoor<br />

LED display<br />

<br />

Check and troubleshooting<br />

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

[H04]<br />

<br />

l l<br />

l l<br />

¡ l<br />

l ¥<br />

¡ l<br />

¡ ¡<br />

[Case thermostat operation]<br />

Are CN609 connection<br />

and case thermostat normal?<br />

YES<br />

Is cooling/heating operation<br />

available when short-circuiting<br />

case thermostat?<br />

NO<br />

NO<br />

Correct connector.<br />

Case thermostat error → Replace<br />

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

Defect → Replace<br />

YES<br />

Is there no gas leak?<br />

Is it not refrigerant shortage?<br />

NO<br />

Repair defectives position.<br />

Recharge refrigerant.<br />

YES<br />

Is valve fully opened?<br />

NO<br />

Open valve fully.<br />

YES<br />

Is PMV normal?<br />

NO<br />

Correct defective position.<br />

Replace defective part.<br />

YES<br />

Check crushed or broken pipe.<br />

Defect → Correct and Replace<br />

[L10]<br />

<br />

l l<br />

¡ ¥<br />

¡ l<br />

l ¥<br />

¡ l<br />

¡ ¡<br />

[Unset model type]: Only when service P.C. board is used<br />

Cut jumper line according<br />

to the explanation sheet packaged<br />

with the service P.C. board.<br />

– 112 –

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