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

  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...
Orange arrow Is there a Pre-Heater RTD error on the APR-5000-XL?

  Possible Causes: 1) Bad connections or not plugged in. 2) Bad RTD. Possible Solutions (corresponding to the Causes #): 1) Check all connections to RTD's and to the PCB. 2) Replace the RTD assembly. Replacement instructions: APR-XL Preheater and RTD replacement.pdf If you need instructions on ...

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