Pool & Spa Logo

Related Topics:

Posted on Dec 02, 2018

Hayward HP2100 HeatPro reading SF. Changed Temp Sensor still started up then shut off 3 min after. shut down circ braker then when turn on reads 60, 120,SF.

Check internal bypass spring probably broke also check chemistry PH and alk

5 Related Answers

Anonymous

  • 702 Answers
  • Posted on Jun 20, 2008

SOURCE: Temp Sensor

The temp sensor known as the engine coolant temp. sensor tells the computer if the engine is overheating and so forth and tells the injectors how much fuel to give the engine. The temp. sending unit is what controls what your guage reads. It sounds like you need the temp. sending unit. It located near the thermostat housing with a single pole connector.

Ad

Anonymous

  • 1 Answer
  • Posted on Apr 13, 2009

SOURCE: Wireless thermo clock not reading outside temp

I've had a similar problem with another model, an Oregon Scientific Model IWA-80055 Wireless Thermo Clock, in which when I replaced the batteries in the remote sensor, the clock would not read the temperature from the remote sensor.
I found it fairly consistent to solve this by taking a battery out of place in the clock and putting it back in.  Unfortunately this also messed up the clock's time and date.  This is also in the instructions catalogue for the device, check and see if yours gives a similar solution.

thepool

thepool

  • 78 Answers
  • Posted on Apr 22, 2010

SOURCE: Heat pump will not start

Could be a firmware issue and require a new mother board. Unfortunately, you probably have done all you can on your own. Time to call the local HVAC service person...

thepool

thepool

  • 78 Answers
  • Posted on Apr 22, 2010

SOURCE: Hayward pool heater - p5 code

The code is "PS" for Pressure Switch and means there is insufficient pressure to operate (low flow) or the switch itself is bad.

Coastsider

Charles East

  • 331 Answers
  • Posted on Sep 08, 2010

SOURCE: THE ERROR CODE READS SN.

Did you replace both temp sensors or just one? Did you make sure that the new sensors are the same model? If you did replace both sensors with the correct ones, the main board is bad and will have to be repaired or replaced. The actual manufacturer of your controller can provide limited technical support for someone who has the ability to use a multi-meter and test a few components at the spa over the phone.

Ad

Add Your Answer

×

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

0helpful
1answer

Hi. I have a Hayward H350FDN pool heater that is Doing this: • Turn on and Temp at 65 • On for 3 1/2 min then shuts down • Restarts and then on for 5 min, shuts down • Restarts and then on for 2 min,...

it almost sounds like the temperature sensor is in the wrong place. that or the flow is inadequate for the heater to run. if you have a sand filter, put it on 'whirlpool' or 'recirculate' and try to run the heater.
0helpful
1answer

Have a hayward hp21001 heat pump set temp for 89 degrees but say water temp is 38 degrees when pool thermostat reads 76

Try replacing the temp sensor. You can test the temp sensor if you have an ohms meter that can read k-ohms. If the sensor is good then the board is probably not reading the sensor properly.
0helpful
1answer

I have a Hayward H400 that shuts off at 88 degrees. What could this be?

Is this heater standalone, or is it hooked up to an external controller? If it is standalone, it sounds like you need a water temp sensor for the heater. If its hooked up to an external controller, you likely need a 10k temp sensor. What error code does the heater display when it shuts down? And what temperature are you able to read on the heater and/or external controller?
0helpful
1answer

My mark 6 pool heater has power but is displaying "5f" help???

The actual reading is SF and that indicates a temperature sensor failure.
0helpful
1answer

Heater will fire up for only 5 sec. than shuts down. code read out.SF

Thank you for posting your question here on Fixya.com.


An SF error refers to the temperature sensor. Per your Hayward owner's manual:


From your manual, found here: http://www.hayward-pool.com/pdf/manuals/Manual285.pdf


The sensor screws into the inlet/outlet header and has three wires and a plug that make their way to the back of the control board. Check to see if there is damage to the wire(s) and repair if there is. Otherwise you need a new thermistor. Your part number should be IDXLTER1930.


If this answer does not fix your problem, please comment with additional details prior to rating the answer. You may also contact me thru our website at www.arrowpools.net. Positive feedback is appreciated once your problem is solved!

0helpful
1answer

I have a hayward heatpro model hp2100. the heater will run and heat the pool for a while then shuts down displaying LP on the digital screen, after a period of time it will clear the LP and have running...

LP is an error message refering to the low pressure switch. For more information about it please refer to your owner's manual here. If you decide to persue attempting to repair it yourself and need further assistance, please reply to this post with a new comment or start a new post with your specific question(s).

John
0helpful
1answer

Heat pump will not start

Could be a firmware issue and require a new mother board. Unfortunately, you probably have done all you can on your own. Time to call the local HVAC service person...
Not finding what you are looking for?

302 views

Ask a Question

Usually answered in minutes!

Top Hayward Pool & Spa Experts

Jay Finke
Jay Finke

Level 3 Expert

1397 Answers

john h

Level 3 Expert

29494 Answers

ZJ Limited
ZJ Limited

Level 3 Expert

17989 Answers

Are you a Hayward Pool and Spa Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...