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Tag: bottom
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Orange arrow Is there no or low Pre-Heater (bottom) heat on the APR-5000-XL?

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  Possible Causes: 1) There is a bad connection. 2) Incorrect off-set setting in software. 3) No or low airflow through Pre-Heater. 4) Bad heater. 5) Bad solid state relay. Possible Solutions (corresponding to the Causes #): 1) Check connections to all heaters, both solid state relays, and the...

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