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I have a Sundance Optima. OH is lit but the heater is not on. The temp is reading 115 degrees, but there's no heat, the water is cool. Is our heater bad or could there be another explanation?

5 Related Answers

Anonymous

  • 700 Answers
  • Posted on Dec 24, 2008

SOURCE: samsung rs2533sw fridge not cooling

soiunds like the coil on the refrigerator side is iced up.take and open the refrfigerator side and take a blow drier and after removing the 11 screws use the hair drier to slowly melt the icec behind the cover. If you pull too hard and or too soon you'll break the stryofoam ductin that has to be around the coil. then make sure that the drain line is clear reassemble and have a Merry Christmas!

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Anonymous

  • 15935 Answers
  • Posted on Jan 03, 2009

SOURCE: cooling system bleeding

Faulty thermostat or water pump.

Anonymous

  • 77 Answers
  • Posted on Jan 08, 2009

SOURCE: 1998 Dodge Durango no heat when using heater.

BLEND DOOR STUCK OR BROKEN. NEEDS TO REMOVE DASH AND HEATER/EVAP CORE BOS TO REPAIR REPLACE.

Samuel Phillips

  • 78 Answers
  • Posted on Apr 22, 2009

SOURCE: QCA Opal hot tub display reading OH.

The tub experienced an overheat situation. This may be due to leaving the t stat turned all the way up and not monitoring or the hi-limit sensor is defective. The hi-limit sensor will shut down the heating cicuit if temp gets above 105 D optimally.the fact that the heater light is on is a good sign that things are working at this point.Whether or not a suitable temp(100-103 D) will be arrived at is to be seen. If spa heat kicks off before set temp is reached then replace hi-limit sensor.

Anonymous

  • 332 Answers
  • Posted on Jun 06, 2009

SOURCE: when filling bathtub or running two showers, water heater howls

it could be the fact thath the water comming in is what the problem is,, on a well system the water is extra cold and the unit is working hard and with sand aso comming in it makes it harder to keep the temp up on the water,,, flush the tank, put hose on it and open the drin valve with a hose on it turn the cold water on and let it flow till the water comes out clear usually about 5 min,,, get all the sand out and other debris and try it

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1answer

Hayward heatpro running but not heating. The "run" light is yellow but it should be green

i have found nothing in any of my heater manuals to account for the color of the light. in every instance, the light is either lit or not. the color does not change.
as for the not heating, if the outside temperature is less than 60 degrees, your heat pump will not work well. as heat pumps do not heat water very efficiently, there may not be a noticeable difference in water temp. the best way is to measure the temperature going into the pump (outside ambient temperature) and the temperature of the air exiting the top of the heater.
if the outside temp is 70 and the air out of the heater is 65, there is a 5 degree temperature applied to the pool water. this can be diminished due to transfer of heat to system
0helpful
1answer

Sundance spa optima

sounds like bad temp sensor should ohm out to about 78 ohms if ok you should be able to go into diagnostics and set temp calibration
Oct 12, 2013 • Pool & Spa
0helpful
1answer

Hi have problem with canadian spa (balboa mrspa1) control panel digital reading when turned on goes to OH,circulation pump will not run

OHS, OH, or SPA TEMP LMT Message There is an "Over Heated Spa" (OHS or OH) Water Condition.

One of the Water Temp Sensors has detected 110°F (43.3°C) Incoming Water Temp and Spa Functions are Disabled. System will Auto Reset when Water Temp is below 108°F (42.2°C). Check for Extended Pump Operation or High Ambient Temp, or contact your Dealer or Service Organization.

Spa Water Cool Down
• In order for the Spa Water Overheat Error Message to Automatically Reset and Clear, the Spa Water Must Cool to below 108°F (42.2°C).
• Check the Topside Panel Display to see if the "OHS", "OH", or "SPA TEMP LMT" Spa Water Overheat Error Message has Cleared. If the Error Message has Not Cleared, the Spa Water is still too Hot to Continue Testing.
• Either Wait for the Spa Water to Cool Below 108°F (42.2°C), or Exit Now and Retest at a Later time.

You can find answers to COMMON SPA MESSAGES at the following website:

COMMON SPA PANEL MESSAGES



Hope this helps.

0helpful
2answers

The thermostat is set to heat at a temp of 68 degrees. However,the thermometers temp read 71 and the blower was running and passing cool air. I tried setting the thermometers temp to 72. The furnace...

The burners are not igniting and the timer turned on the blower thinking the burners were already lit by then. You have a burner/ignition problem. Either the ignighter or themocouple is bad
0helpful
1answer

Heater reads spa water 15 degrees higher than it is

Double check to make sure he put the sensor on the inlet side of the heater. Sounds like you are reading temp of water leaving the heater.
0helpful
2answers

No hot water

in and out hooked up right?
0helpful
1answer

QCA Opal hot tub display reading OH.

The tub experienced an overheat situation. This may be due to leaving the t stat turned all the way up and not monitoring or the hi-limit sensor is defective. The hi-limit sensor will shut down the heating cicuit if temp gets above 105 D optimally.the fact that the heater light is on is a good sign that things are working at this point.Whether or not a suitable temp(100-103 D) will be arrived at is to be seen. If spa heat kicks off before set temp is reached then replace hi-limit sensor.
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