3) Airflow Direction does not operate.
| Is the unit operating? | NO | |
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| YES |
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| NO |
| Is the Auto Swing S/W "ON"? | ||
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| YES |
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| NO |
| Is the DC5V at 16 terminal? | ||
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| (MICOM) |
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| YES |
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| Is the DC12V | NO | |
| at each terminal? |
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| YES |
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| Is the AC220V(240V) | NO | |
| at each terminal | ||
| (SYN. MOTOR CONNECTOR)? |
| |
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| YES |
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| Check the synchronous |
| |
| motor winding. |
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The power ON/OFF S/W ON
Press the Auto Swing S/W
Replacement MICOM
Replacement ICO2M
Replacement
Check synchronous connector contact point.
