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My california cooperage maxx hot tub is reading LF and not heating,we have replaced the circuit board, filter, temp sensors and checked for anything stuck in or around the motors. i'm stuck please help

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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gary1121
  • 332 Answers

SOURCE: infiniti hot tub reads HL

the pump just pumps, do you have a heater it would be about 2inch in diameter adn in line with a cord comming off of it that plugs in seperate from the pump that is the heater,

Posted on May 29, 2009

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SOURCE: our water heater is doing

1) You have given good diagnostic information ... except brand and model number of water heater are missing.
Locate this information on label on side of tank.

2) 2 flashes for high temperature indicate you have Whirlpool or Craftmaster Energy Smart.
You have dual element 240V tank-type electric water heater with electronic control board and temperatures sensors.
Sensors can be ordered separately for $30 each.
Sensors seem like best suspect since elements test out and you have new control board.

3) Did you test elements for short to ground through center of element?
http://waterheatertimer.org/How-to-test-water-heater-element.html

4) Energy smart requires 10 gauge wire and 30 amp breaker. If wire or breaker are undersized, then I would expect chronic problems with electronics. I believe the requirement is so element draw or other factors don't starve electronic control board.

5) How it works: Energy smart is non-simultaneous water heater. Non-simultaneous means upper element turns on first. When upper temperature sensor is satisfied, control board cuts power to upper element and sends power to lower temperature sensor and element. So both elements are never ON at same time. Lower element runs until lower temperature sensor is satisfied. I do not know decision tree for how microchip processes the information.

6) I have examined this water heater and read the manual. I wrote following page, but have not conducted electrical testing on unit simply because it is controlled by micro-chip.
http://waterheatertimer.org/Whirlpool-Energy-Smart-electric.html

7) Sample Energy Smart manual:
Manual does not show how to test temperature sensors, but manufacturer might have more information. Manufacturer might have information how changing meter can affect their electronics.
I would guess undersized wiring would have greater impact than electricity turning off for 1 minute.
http://waterheatertimer.org/pdf/Whirlpool-energy-smart-electric-manual.pdf
Whirlpool 1-877-817-6750

8) 4500 Watt elements should test 12.3 ohms, so your elements check out fine.
Be sure to test for short to ground by setting multimeter to ohms, remove wires from element, and test each screw to bare metal part of heater and to metal base of element.
http://waterheatertimer.org/images/ohm-reading-for-emements.jpg
http://waterheatertimer.org/How-to-test-water-heater-element.html

9) The water heater industry changes very fast, so current manual is best place to start troubleshooting.
If you have different brand than shown above, then open following link to identify manufacturer's website:
http://waterheatertimer.org/Water-heater-manufacturers.html
Add a comment if you need help finding information

10) Post question on professional water heater forum for more eyes on same question:
http://www.thetankatwaterheaterrescue.com/forums/forum3/

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Posted on Feb 13, 2011

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1 Answer

Fault light d.h.w operation - excessive temperature on primary circuit.Flame & hot water 4 short while.Watch temp go up & up & @ about 60 degrees it cuts out.No flame. Hot water goes cold.


Sounds like the water temperature sensor has gone wacky. Since I don't know exactly which unit you have, it could be the sensor, or the board.

May 27, 2016 | Water Water Heaters

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What does the LF code mean?


Long Fill

LF flashes when the water level does not change for a period of time after the valves are turned on OR water has disengaged the basket but control does not detect a water level change.

  • Is water supply connected and turned on?
  • Are hose screens plugged?
  • Is water entering the tub? If so check pressure hose connection to machine/motor control.
  • See TEST #2 in manual

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Er3 flashes hot water will not reach set point


Had this happen to me before, if you have hot water from the boiler going in and out of the boiler mate and the temps are not rising within the hot water means more than likely you may need to remove exchanger and clean sediment off element, basically sediment creates a blanket over the heat source causing poor thermal conductivity. Things to check before removing heat exchanger

- outlet temp of boiler water to aquamate -inlet temp of boiler water to aqua mate= 20-30'F if low then bad thermal transfer or poor water movement
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- get boiler temp higher to speed up thermal gain in water heater

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Ariston Troubleshooting


follow this test and use the multimeter and fix it. God bless you
If there is no hot water, first push the reset button on the high-temperature cutoff; test the thermostat and replace if faulty (see below). Test the heating element(s) and replace if faulty
.Test and replace a heating element:
  1. Turn off power at the electric panel and post a sign warning others not to turn it on.
  2. Remove the access panel on the electric water heater.
  3. Disconnect one of the element wires and set a multimeter to RX1000 (resistance times 1,000). Touch one probe to an element mounting bolt and the other to each element terminal screw, in turn. If the tester displays anything but infinity ( open circuit), replace the element.
  4. If necessary, set the multimeter to RX1 and touch the probes to the terminal screws. If there is any resistance reading at all ( closed circuit), then the element is good. If not, replace it. Both upper and lower elements are tested in the same manner.
  5. To remove the element, first drain the heater.
  6. Disconnect the remaining element wire. Remove the mounting bolts holding the element in place. Remove the element.
  7. Replace the heating element with one of the same model, shape, and rating. Make sure you also replace any installation gaskets.

Oct 27, 2013 | Water Heaters

1 Answer

Hi...I have a Whirlpool water heater and the water only stays hot for a few minutes. How do I adjust the temperature or settings so that I can have hot water all the way through the shower instead of...


I am guessing this is an ele water heater and the temp setting are not the problem.
Problem: Not enough hot water or water temperature too low. When the top of the tank is hot the upper thermostat removes power from the upper heating element and transfers the power to the lower thermostat and heating element. If the lower thermostat is defective, then the lower portion of the tank will not be heated and the supply will be greatly reduced.
Check for power at the upper thermostat terminals where the power is sent to the lower thermostat and heating element. If there is no power then the upper thermostat should be replaced. If there is power then check for power at the lower heating element. If there is no power at the lower heating element then replace the lower thermostat.
If there is power to the lower heating element then it should be getting hot. If it is not, replace it. Another possibility is a broken dip tube. Check for a broken dip tube and replace if necessary.

The dip tub is located under the fitting where the hot water comes out.

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1 Answer

Top heating element was broke. Replaced got hot water for week. Now have to run hot water for 20 mins before it goes from warm to hot. Top heating element reads 240VAC bottom heating element reads...


look for a badly connected power line ont he bottom element, or any connection upstream of the power terminals. voltage readings usually drop to that range when you only have one side of the 220v circuit connected.

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Bath tub water doesn't stay hot


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Jun 23, 2009 | Water Heaters

1 Answer

Infiniti hot tub reads HL


the pump just pumps, do you have a heater it would be about 2inch in diameter adn in line with a cord comming off of it that plugs in seperate from the pump that is the heater,

May 24, 2009 | Maax Infiniti - 100055

2 Answers

No hot water, control board light stays green


It may be bad thermostat terminals of the water heater, or, alternatively, the very top heating element is in need of replacement. See this handy diagnostic article for more info:
http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Home_Improvement_Zone_Heating_Systems_Water_Heaters_Cold_Water_Still_Released_Despite_Water_Heater.htm

Hope this helps.
Brad

May 11, 2009 | Water Heaters

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