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Anonymous Posted on May 21, 2014

I have a J340 Spa that is throwing the watch dog mode --- error code. I have replaced the temp sensor and the circuit board. Can a malfunctioning circulation pump cause this problem. Thanks.

1 Answer

Mike Tellegen

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  • Jacuzzi Master 1,631 Answers
  • Posted on Mar 10, 2015
Mike Tellegen
Jacuzzi Master
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Joined: Aug 05, 2010
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Yes, it can as can the hi-limit as well.

Is the watchdog, consistent or does it show up every now and then?

If not consistent: then it is an indication that there is a "Potential" problem, not necessarily always indicating a problem is there. Power fluctuation will cause this as well.

You may need to monitor for a while.

5 Related Answers

Anonymous

  • 59 Answers
  • Posted on May 25, 2009

SOURCE: Spa Motor Hums

if it is a used pump, these have a tendency to have a little rust. just get some pump pliers and rock the shaft gently back and forth. then plug it back in.
David

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A Miller

  • 8404 Answers
  • Posted on Oct 10, 2009

SOURCE: my emerson spa circulation pump 1563, model

Is this pump for a 'in ground' body of water or for a fiberglass spa?

Someone MUST make something similar.

If yours is in ground you have many options based upon your filter media and the size of the suction and discharge lines.

If you can give me more information, I can more than lilely answer your question.

Let me know ... I want to help

a

Anonymous

  • 990 Answers
  • Posted on Dec 19, 2009

SOURCE: spa water is overheating and get a HL error code

This is a problem in your board or something is jumping the safety circut. You should have someone look at this to be sure that no other problems have come from this. Good luck.

SpaFixer

  • 8 Answers
  • Posted on Apr 09, 2010

SOURCE: this is an old hot tub qca jewel spa that runs all the time

your ozonator may have condensation water in it, try unplugging it and using a hairdryer to dry it out, otherwise you will need a replacement ozonator (i know where to get these at dealer cost if you need one). When replacing ozonator, make sure you request the correct plug type depending on if you have the white plugs or gray plugs that plug into either the side of your spa pack or the circuit board.
Good job on isolating the problem by unplugging each component when a circuit breaker trips. Next, your filter cycle is most likely set on constant filtration, you will need to reset it to 2-4 hours per 12 hour cycle. Don't put it in standby, leave it run in standard mode. Hope this helps,
Spafixer

Coastsider

Charles East

  • 331 Answers
  • Posted on Apr 14, 2010

SOURCE: Hot Spring Spa pump won't run just click on circuit board....

Check for voltage at the pump, before assuming the relays are out... then check for voltage before and after the relay contacts

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Related Questions:

0helpful
1answer

OH Code how to correct so Spa runs?

OH Code is Overheat, so all the things you tried are not relevant. Low flow is normally the reason, too much heat build up in the heat exchanger so it cuts out.

So, the next time your spa throws you a OH, OHH or some other "overheat" error code, you know what to do. Clean or replace the spa filter, open all the jets and turn the pump on high. If you still have problems, check over your temp sensor and high limit circuits for wire, plug or sensor problems.

Spa & Hot Tub Error Codes - OH, OHH, OHS


Jan 01, 2024 • Pool & Spa
0helpful
1answer

What error code E01 indicate on a Pentair Mastertemp400 pool heater?

eo1 error code indicates temp sensor failure. Replace temp sensor. If problem persists then replace control board.
0helpful
1answer

Heater shuts down after 30 sec. get e05 error code replaced the SFS have same problem .

I had same issue yesterday in the field. The sensor was bad in my case. After replacement of the Stack flu sensor my stack temp was only reading 80 degrees, a clear indication that the board needed to be replaced as well.
Replaced board and the heater fired fine and the stack temp reading was normal, 300 degrees.
To obtain a stack temp, after the heater fires hold down the pool or spa button until the temp appears in the display. It will time out after 10-15 seconds.
2helpful
1answer

I have just replaced my circuit board (balboa 53247) for my eclipse hot tub and as soon as I plugged the unit in, I got an OH reading from the top-side control. Then I noticed that if I pulled the temp....

Unfortunately, I would have started with the sensors and then escalated from there. A hot tub is one of those items that I generally recommend hiring a technician to sort out, it's just flat not worth the headache of troubleshooting without the know-how.

As for your particular problem, the OH code on a Balboa control pack is "O.ver H.eating" it means that the heat sensor detected high temp and shut down to prevent damage to the system (as well as cooking you like a pink lobster) The sensor could be bad or the control board could be malfunctioning. A new sensor is $75-85 if memory serves me and is relatively easy to replace. one sensor is in the heating tube and the other is screwed into the tub shell to monitor tub temp. I would suggest new sensors, both of them because when one goes out the other usually isn't far behind. Make sure you shut the power to the tub off at the breaker box before doing any kind of tub repair. If you have shutoff valves on your tub you can replace the internal one without draining the tub. the one in the shell you need to drain to replace (at least to the sensor hole level) I hope this helps you to get your tub working properly again, if you still experience issues after this, I suggest biting the bullet and calling in a tech. Thanks for your question =)
0helpful
1answer

Pool heater

hi please try to reset the circuit board, by turning the heater on/off from electric power, if don't work you got to replace the water temp sensor located inside the circuit board (BROWN WIRES) if still display the same problem try new circuit board.for this type the heater a master temp, pcb will work rev.R-13 Good luck. if you need part # let me know, remenber before replace any electronic parts in heater SHUTT THE POWER OFF.
May 04, 2013 • Pool & Spa
0helpful
1answer

I have a problem when I turn on my spa the control plannel just shows (= = = )and nothing will work dose any one have any ideas what it could be

Balboa Control Packs -
(---) = Unknown water temperature.

Spa Builders Control Pack -
(---) = "Watchdog". Water temperature has reached 118?F. Entire system is disabled. Contact qualified service technician.

This error code is related to sensor malfunction or failure.
Disconnect and reconnect sensors (while system is disconnected from electrical supply), if that does not help start by replacing the Temperature or Hi Limit sensors.
Jun 03, 2012 • Garden
2helpful
2answers

Reads OH but still cold

you either have a bad temperature sensor (check the wires for damage) or a bad circuit board. I would recommend replacing the temp sensor first. If that doesn't work, pull the board and take it and have it tested.
1helpful
1answer

Panel reads HHO-----, no temperature display until activate jets, then shows a temperature drop sometimes down to 65 degrees ,then starts heating upwith jets going

"OH" is an overheat error. In normal function, it is used as a safety shut off if the spa water temperature reaches over 110 degrees in the event of a thermostat failure. But more commonly, (if the water temp hasn't gotten too hot) it indicates that the temp sensor(s) have failed. If you have a digital display on the topside controller of your spa, then it is a circuit board controlled spa pack. Most spa builders use the same control pack manufacturer - Balboa Watergroup. The sensor kit usually consists of 2 probes and wires that plug directly onto the circuit board. Depending on the spa, they could both be located onto the heater manifold, or one on the manifold and one mounted to the tub making direct contact with the water via a thru-wall sensor mount. If I knew the spa manufacturer, I could further assist you. If you replace the sensors, and encounter the same problem... then the circuit board is bad, and usually a costly replacement. The sensors are usually listed as a "BA sensor assy" Hope this helps you,
5helpful
1answer

Redout on jacuzzi spa model j340 has --- code.has been working

The condition you see on the topside control is known as "watchdog" Which usually means that the spa thinks it's "overheating"
Turn off the power to the spa for a couple of minutes, then restart, Watch the topside control if the temp. starts to climb & read a lot hotter than the actual water temp. Then it goes into watchdog, most likely you have a bad temp sensor. In some cases just resetting the spa will clear the watchdog & everything works fine. (Voltage fluctuations, "spikes" can freak out the electronics & the tub goes into watchdog to protect itself) If the spa immediately goes into watchdog when you reset it, you might have a bad board. (Let's pray it's not) 90% of the time it's a bad temp. sensor.
Jan 12, 2009 • Home
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