I have a 110 Jacuzzi brand 250 gallon hot tub and I get a blinking light I think indicating it is overheating and this stays on. No controls will work. The heating element is good and I removed the filter to see if that was restricting things with no change. The only way to jog it out of this mode is to open the cover and let it slam down and it will start heating again. If I go through the modes again jets, light,and heat it will kick out again and I have to slam the lid. I have tried to tap the thermostat and other components individually but only slamming the lid resets the tub. It worked great for 10 years before this problem. Any idea what the problem is.
I also found another way to reset the pump so it heats and circulates. There are a black and a red wire going from the top right corner of the control panel to a sensor that sits on the heating element housing. tapping the element did nothing but disconnecting it at the control panel or at the sensor and re-connecting it resets the heater. I also disconnucted the thermostar wire which uses a phone cord type conection in the controle pannel which did not reset the heater.
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If your hot tub is running but NOT heating then you need to look at a couple of things. First, on the topside, is the heat indicator light on? If it is on and the tub is not heating then the temp sensor or the high limit sensor is not working and need to be replaced. US Parts Center
What is the problem you afe having with your Jacuzzi Water Heater? Is this a Jacuzzi Hot Tub?-- Do you have some indicator lights on?-- what color are the lights?-- Is the Circulating pump running water thru the heater element? Tell me more!-- Let's walk thru the system, and figure it out-- Mack B
Is the equipment to heat and filter the hot tub separate from the pool equipment or do both bodies of water share a common heater and filter pump? In most cases they share a pump and heater with valves that direct the flow of water depending on how the pool owner wants to use the pools. The first thing you need to determine then is if the equipment is working properly. Is there flow of water to and from the spa? If so, is the heater burner kicking on? If it is running, is it running properly with sufficient gas pressure, 3-4" tall bright blue flames and stays on continuously during the heating cycle for the spa? What is 'very quickly' for the time to heat the water? In other words, if everything appears to be operating normally but the water is not warming fast enough or at all how much time is elapsing before deciding the heater is not working? How old is this equipment and how much experience do you have with this pool tech or the company they are from?
You should start with checking all your breakers to be sure the breaker did not pop just half of your breaker. This is something you should do with all your breakers. When you do this you should shut down all your 220v breakers so you don't get bleed back through the system. Other than that you need to look for resets on the tub. The heater is a good place to start and don't forget the gfci's on the tub or in the bath or laundry room.
It sounds like the problem is in the main control box. Since the tub shuts down after reaching 110 degrees, the high temp sensor is doing its job. This sounds like a job for a qualified professional. Do get a price for the service call as they are usually expensive. Circuit boards start at 200.00 and go up.
I think what you're looking at are the part numbers for the heater and control systems used in some Jacuzzi hot tubs rather than the Jacuzzi model number. I ran into the same issue and discovered through some cross-referencing on the web (jacuzzi parts suppliers) that this is the part number control unit made by Balboa. Odds are they were used in multiple Jacuzzi models.
My suggestion: Look here http://clearcreekspas.com/model_id.html to identify the control panel for your Jacuzzi and then follow the link to the correct manual. Some cover multiple models so you will need to know the electrical requirements of yours (120 V or 240 V?) and then check the layout of each tub shell to determine which model is yours.
I figured out mine is a Jacuzzi Essence Model 350 this way.
Depending on how you heat the hot water, whether gas or electric, is a missing detail in your problem, but if it is electric then your problem is the size, being only 40 gal, and needing probably about that to fill the tub, will always lead to your current position.
If the hot water heater is gas, the chances of it keeping up are slightly better, but again things like the temperature of the water leaving the tank, any mixing valves, etc. will effect the water temp at your tub. Before raising any temps, make sure you follow local code, as not to scald yourself or others.