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MASTERTEMP HEATER won't start, I'm getting a r=C code on the operating control screen, as soon as I get the code the operating control screen turn off and will not turn on when buttons are pressed.

Posted by Israel Arreguin on

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5 Related Answers

Ken Bledsoe

  • 306 Answers

SOURCE: I PRESS THE RED BUTTON TO START THE HEATER AS SOON

U need a new thermocouple or you need to hold your finger down at least 45 seconds.

Posted on Oct 10, 2009

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Anonymous

  • 1 Answer

SOURCE: getting a E05 code on my Mastertemp pentair

I have same problem. Mechanic not sure what to do. May need a new board.

Posted on Jul 31, 2010

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adamh294

adam hudson

  • 310 Answers

SOURCE: Pentair MasterTemp 400 Heater Will run fine for

This reminds me of some of the High temp sensors ive replaced. I would start with checking the pumps flow to the heater. Make sure there are no abstructions and at least 35 GPM (gallons per minute) running to the heater. If your flow is too low, you will trip the high limit sensor after a short while.
This could also mean you need to clean out the heat exchanger. When an exchanger gets dirty, it blocks the flow of water, slowing it down and "super heating" itdue to the water being in contact with the exchanger for too long. This will also trip the high limit and call for service.
If both the above items check out, contact me @ [email protected] and I will guide you further.

Posted on Nov 23, 2010

elix0411

Jose Cada

  • 3530 Answers

SOURCE: upro go won't turn on I press on the start

Welcome to Fixya

Sounds like the LCD screen has gone bad. Try to drain the power of the board first. Take out the battery then press and hold the ON button for 10 secs. This will drain the electrostatic charge of the board the usually causes the no display problem. Put the battery back after 10 secs then power ON the unit. If same thing happens then you need to have the LCD replaced by the manufacturer if the unit is still under warranty.

Thank you for using Fixya!

If you need further help, reach me via phone at https://www.6ya.com/expert/elixirjose_00375ea24bd8141b

Posted on Apr 27, 2011

richroth

Richard Roth

  • 9472 Answers

SOURCE: kenmore HE5 dryer won't start

Several different problems could prevent your dryer from running. Make sure that the door is firmly closed and hold down the start button for a couple of seconds to start the dryer. If you hear a click from the control board then the door switch and the control board are likely okay. You could have a blown thermal fuse or a broken belt in the dryer. To check these components,unplug the dryer and remove the bottom front service panel as shown in the first image below. With this panel removed, you can tell whether the drive belt is broken. If the drive belt is okay, I recommend checking the thermal fuse. This fuse is located on the blower housing as shown in the second image below. It will have light blue wires attached. To test the fuse, remove one wire and measure the resistance across the leads of the fuse with a volt/ohm meter. You should measure near zero ohms of resistance (continuity). If you measure infinite resistance, then the fuse is blown and will need to be replaced. You can verify that this is your failure by taping the contacts of the light blue wires together with electrical tape to "bypass" the thermal fuse. Reassemble the dryer and see if the motor runs with this fuse bypassed. If it does, then this verifies that the blown thermal fuse prevented the dryer from running and that this was the only failure. NOTE: Do not continue to run the dryer beyond this brief test with the thermal fuse bypassed. This component must be replaced. It is an important safety feature of the dryer.

You can order a new thermal fuse from the Sears PartsDirect website. The part number is 3392519.

Posted on May 01, 2012

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