Question about Pentair PUREX MINIMAX HEATER; THERMOSTAT, 60 CAPILLARY - 072022

2 Answers

Failure ti ignite properly

The Propane unit sat idle for 3 years. The first time I used it, it took about 5 minutes to ignite and heated the spa to 105 degrees in about 45 minutes. In subsequent usage the heater would cycle on and off until the proper temperature was met. The last time it was used, it cycled on and off, did not get to the desired temperature and the cycle time between on and off became shorter and the heater would not stay on for more than a minute.

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Could be a bad igniter.

Posted on Jun 27, 2017

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  • Pentair Master
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This may be due to the gas valve being faulty.

Posted on Jun 27, 2017

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

rcampsr
  • 90 Answers

SOURCE: Heater cycles on and of, pool/spa does not reach desired temp

hello, It sounds like you may not be getting circulation thru the heater. Make sure the valves are open to allow water to pass thru the heating system. Some systems use a bypass on the heater so there is not a lot of wear on the coil system in the heater. If it is not circulating it will get too hot and the safety shut down will occure. If you are getting water circulating thru the heater, then the thermocouple or auto start igniter system is not working correctly. It is trying to start and can't then recycles. If the burners are igniting on the startup and then shutting back down you may have a bad control unit or thermal sensor unit. Since the unit is gas have a professional service it for you. Good Luck, RAC

Posted on Apr 20, 2009

wiredlocal22
  • 2 Answers

SOURCE: Minimax NT cycles on, Flame

I had the same problem and it was the ignition mod after i replaced that it ran fine again .

Posted on Jun 01, 2009

  • 366 Answers

SOURCE: MIni-Max 400 heater cycling

sounds like you may have a water chemistry problem more than a heater problem. High pH coupled with the heat of the exchanger in the heater will allow the calcium in the water to precipitate and scale the tubes of the exchanger. Make sure your water is balanced, pH 7.4-7.6. Water balance factors include pH, total alkalinity, calcium, TDS, and temperature. Use the langlier saturation index to determine your water balance. If your water is balanced, you may have a bad thermal governor. If you hear the heater water hammer and bang around and then shut off, you definitely have a scale buildup in the heat exchanger tubes. Hope this helps...

Posted on Sep 17, 2009

  • 366 Answers

SOURCE: water temperature thermostat misread

You most likely have a bad water temperature sensor. Replace the water temperature sensor that is probably near the discharge side of the filter pump. That should take care of the problem.

Posted on Oct 22, 2009

  • 990 Answers

SOURCE: E04 message on MiniMax NT 400 DV..Help!!

Your EO4 message tells you you have a fan problem. So ether your fan is diying wich you would hear or you have a bad presure sensor in your exaust. A new fan is a little pricey but the sensor is reasonable for heater parts. I can't be sure but I believe it ether screws onto or into your exaust and it just plugs on to your control board. If your sensor is going bad their is a reason and this should be addressed. It should be in your by-pass or your gas pressure. But as far as a new heater, not untill you have water coming from the cabnit. It is sometimes easer to sell new than keep up with new, Good luck let me know how you do.

Posted on Dec 03, 2009

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1 Answer

Heater wire fire up but will not stay running


that code signifies an ignition failure. as your system is propane, ensure that the pressure from tank is over 30psi. under that, the system may not run properly. check to be sure that all the shut off valves are in the right position. get a technician to bleed the lines. if the heater hasnt been run for a while, it is common for the LP to not flow properly. if the outside temperature is low, this will also affect how the propane works

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What is an IF error message?


ignition failure means tried to fire 3 times turn off and try again

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Burners don't have anything to do with the problem of pilot not lighting. Is the problem that flame will not 'stay' lit? Or you can't even get a flame to ignite? If former: possible bad pilot generator or bad gas valve. If latter, possible bad gas valve or no fuel to ignite.

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Fan blower run but it will not ignite and heat unit brand is acarrier split unit


To get proper heat your setting temp +5 degree than room temp. And mode should be in " Heat".
And wait for 3 to 5 minutes. If still not stats, restart the unit and observe the following. If your unit is with RV, check click sound after 3 minutes. If not RV is not working properly. If it's with heating element, check for power in the element after 3minutes. If not check wiring.

Dec 27, 2010 | Heating & Cooling

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Code 1F


"IF" or" Ignition failure", simply means you heater didn't fire. Be sure your gas is on,and if on propane be sure there is at least 30% in the tank (and the valve is open).Also check whether your "Glow plug" ignitor Glows, or your spark ignitor sparks (depending on which kind you have).

Oct 22, 2010 | Hayward H Series Pool & Spa Heater 400k...

1 Answer

I have a hayward H400 serise propane heater. I replaced the gas valve. When it goes tot turn on it takes about a minute then starts clicking to ingnite the gas. SSoem time it lights but then goes out other...


0. Check the spark ignitor conection to the board
1. Check the water by-pass valve if you have it
2. Check your gas pressure. (5-7"wc for natural gas, 9-13"wc for propane gas)
3. Clean your filter for your water system or remove it and try again
4. Check the Hi-limits on your heater
5. Replace the thermostat

May 27, 2010 | Hayward H Series Pool & Spa Heater 400k...

1 Answer

Hayward Heater Problem ''AO'' error. H400IDH


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

It sounds as if the air activated switch the tube you mention attaches to is not working. Pull the two wires from it and connect them to simulate the switch closing. Start up the heater to see if you get ignition. If so, replace the switch.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!

John

Feb 14, 2010 | Hayward H Series Pool & Spa Heater 400k...

1 Answer

The propane ignites, but shuts off after 2-3 minutes


check to make sure the thermocouple is stays in the pilot flame could be bad i think lowes has them in the water heating section

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