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ICP Inverter Fan Test
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Fan Motor

If verification of proper operation is required for the fan motor used in

this unit, follow these steps:

 

1. Disconnect fan motor connector from control board.

 

2. Measure resistance between any 2 of the 3 leads present.

 

3. Compare measurement to values Table 8.

 

Fan Motor Ohms
Unit Size Resistance (Ohms)
24 21.2 ohms
25, 36, 37, 48, 49 (AC), 60 11.1 ohms

IMPORTANT: Occasionally the unit may become unresponsive due toc ertain combinations of previous fault codes. There may not be anything

wrong with the unit or components. The unit may require a high voltage power cycling for at least 2 minutes or longer to clear the condition. If the condition persists, conduct further troubleshooting per the service

manual.

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