- start sequence - blower comes on (seems to have one speed, I read in earlier posts where perhaps some other models have a blower with more than 1 speed); about 30 seconds later you can hear the gas valve solenoid open (and confirmed by manometer using the pressure tap on the burner side of the valve), valve stays open for about 6 or 7 seconds, the flame never lights; then unit cycles 3 times until it kicks out with the ignition alarm code on the LCD. JXi Heater - how do I check to see if the air flow sensor is working right, Check Valve between spa and pool return leak, With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. Disconnect power at the breaker. Section 5. We are a registered 501(c)3 non-profit that is funded by user donations. Make sure that the vents are not placed beneath decks, stairways, or automobile ports. So I'm not going to play with that one just yet. The code that appears on the display says Check IGN Steps and then shuts down. This means my water pressure sensor is working because that goes away when the pump is on. If the hot surface igniter is glowing, it isn't getting hot enough. I read through the manual and found the whole ignition process (something like pre-blower, check air pressure sensor to let blower keep going, 15 second purge, then igniter gets warmed up, then gas, lastly flame sensor lets it stay on or kills the gas). No visible evidence of damage on ignitor surface (some high temperature discoloring but no white corrosion or evidence of a crack). I had a similar problem on my LXi,but finally worked mine down to the air pressure switch. The pool heater is giving me a fault ign check steps, Jandy - JustAnswer I now keep 2 spares. Spring opening. If you replace the ignition module you will need to make sure you get the exact replacement. Display as a link instead, In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . When the gas valve opens, you can smell the methyl mercaptan so I know there is gas getting in to the combustion chamber. A flame sense signal of 0.7 DC microamps or less will send theFenwal control to a lockout condition.Many online pool parts stores will have a heater parts diagram. The heater worked fine last season right before winter. You will get much more visibility by. Upload or insert images from URL. Call for service if the heat pump is still not working. You are using an out of date browser. For a better experience, please enable JavaScript in your browser before proceeding. PB is coming out again to check. I might call Jandy, but am hoping I can get some more ideas here. Walked over to heater and it said "CHECK IGN STEPS". Anyway after I put it back in after checking it, I did tighten the nuts carefully (not so tight as to crack the ignitor base) and still the until did not fire. Another pool season another heater issue Mastertemp 400 wont start, no error codes, JXi Heater - how do I check to see if the air flow sensor is working right, With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. Bad Igniter 5. I have a jandy LXI 400p. It could also be a tiny bit of condensation against the diaphragm. It will run up from 65-80's with no problem then throws the error consistently at that point. Vocational, Technical or Tra. The switch is working fine, but the tube that goes around to the side of the unit was off. We turned it on and tested it after it was installed and it worked great. I think this is the Honeywell 1.0" WC PF thing I found in there. UNIT PRE- PURGES 15 SEC, INGNITOR GLOWS 40 SEC, GAS VALVE OPENS, BURNER LIGHTS FOR 4 OR 5 SECONDS THEN IGNITION CONTROL CUTS POWER- NOT SENSING FLAME. Jandy Pool Heater Won't Ignite [7 Easy Solutions] 1. Without good airflow, your Jandy JXi pool heater wont ignite. You can verify what the gas valve relay sounds like by closing the gas valve and jumping 24 vac to the gas valve connectors. I decided to get out and turned it off. It's not super expensive but we see a lot replaced that are good. So you disconnect the wire from the air flow switch and put it back on and the units fires up OK? Upload or insert images from URL. Set the multimeters test control to mV,. I keep reading the intake is on the bottom of the heater, but then there's this air pressure slider on the side which is adjustable. The reading should be between 5 and 10 A. $20 OFF Chlorine Flash Sale. In this section, we will take a deeper look at the possible reasons why your Jandy pool heater wont ignite and provide you with the simplest solutions. Your link has been automatically embedded. Mike Sc But what if a critter crawled up in there and died? Low gas supply pressure can also cause a Jandy JXi pool heater ignition fault. COPYRIGHT 2023. TESTED FOR SUFFICIENT GAS 7.5 SUPPLY 2.5 MANIFOLD. I still am not getting any blinking at the LED on the panel. Ideally I'd like to jack up the heater an inch or two but I have all my water pipes plus my gas line connected, and it would be really hard to move it more than like 1cm w/out stressing a pipe Not sure what else to do here, other than turn to a local Jandy authorized serviceman and have him check it out.. Let me know if you do not have a LoNox, i have different flow chart for them. You must log in or register to reply here. Jandy pool heater lxi model says check ignition fault what If not, the blower motor may be at fault. I still think you should rule out gas supply issues before you go any further. Thx mike sounds to me like a fuseable link has failed in the exaust. Please consider. Jumped in and noticed it dropped to 99 Then 98. I believe the click you are hearing is the gas valve relay. Jandy JXi 400 Manuals | ManualsLib Did you have to have someone from Jandy come out. I decided to get out and turned it off. Pasted as rich text. Yes, exactly and it fires up normally after that. the pressure switch, vacuum switch, and high limits (there are two though I believe you would get Hi-Limit fault. Once I installed a local regulator, it worked the first time. Remove the wires from the terminals of the gas valve. It seems to be the gas valve. I cleaned and then added Corrosion Block. What does ENA mean in a Jandy pool heater? I can't really see "under" my heater because it is sitting right on the ground. My heater is giving me a code after about one minute of heating up. If there are no terminals visible, you may need to remove the cover first.
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