Question about Sta Rite Sta-Rite Max-E-Therm High Effiency - Propane Heater - 333,000 BTU

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Sta-Rite SR400 heater displays error E01 and doesn't fire.

Momentarily displays r 3 before going to E01.

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  • Anonymous Feb 09, 2009

    heater won't fire error code E01

  • sbrjay May 12, 2009

    upon start-up, I get, OOO then r  8 then E01

    I did open up the unit and evict a mouse, but pool guy said it worked when he fired it off 2 weeks ago.



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Resolved - the thermister was bad.

Posted on Jan 02, 2009

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Replace the thermistor. The average price is around $44.00

Posted on May 01, 2009


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Sta Rite SR400 NG heater with code r=5

You can find an Owner's Manual online at the following site:

IF you have tried to restart the heater and received the same outcome, the r5, or S, is a badk control board. Sorry about that one!

What you may want to try is resetting the heater. You will need to put the SunTouch in the maintenance mode. Then turn off the heater, turn off the Circuit Breaker for the heater, wait about 15 to 20 minutes, then reverse the order. Circuit breaker, then heater, then try and start the heater without the SunTouch first. If it works, then try with the SunTouch.

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E01 fault and service light on

If you are still seeing the EO1 error code, turn over the display panel and see if there is a RED light next to a set of letters. Whatever the light is next to, that would be the cause of the error code.

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