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Lion electrec boiler is running constantly,have checked all relays and they have power. We have even turned the breaker on and off to it. The thermostats on both the boiler and the wall are turned down to the lowest setting and the temp. in the building iis 23 degrees celcius where it should only be 4-6 degrees.

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6ya6ya
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Posted on Jan 02, 2017

  • 9 Answers

SOURCE: Carrier XHD183D Through-the-Wall Heater/AC runs constantly

YOU COULD EITHER HAVE A THERMOSTAT PROBLEM OR FAN CONTROL PROBLEM.TURN THE POWER OFF AT THE FURNACE AND TAKE THE THERMOSTAT OFF THE WALL.MAKE SURE YOU MARK THE WIRES SO YOU KNOW HOW TO HOOK IT BACK UP AGAIN.RESTORE POWER TO THE FURNACE.TOUCH THE WIRES THAT WERE HOOKED TO THE R & G TERMINALS ON THE T-STAT TOGETHER AND HOLD THEM THERE.OBSERVE THE OPERATION. WHEN YOU TAKE THEM APART DOES THE BLOWER STOP?TRY IT A FEW TIMES. IF IT CONTINUES TO START AND STOP YOU GOT A BAD T-STAT.JEFF

Posted on Dec 15, 2007

SOURCE: Rinnai 1004 - Temp on thermostat reads 10 deg cooler than actual, keeps running

The location of the sensor needs to be higher but my yellow wire would only pull out a couple of inches.
Turn off power to unit and remove front panel. Two screws near top/sides. Top of panel pulls out (unplug wire connector to indicator lights) and lifts off bottom tangs. Now you will see a coil of yellow wire inside unit. Remove the wire tie and you'll have enough yellow wire to locate the sensor well above the heater.

Posted on Dec 31, 2007

SOURCE: Rinnai rce-606tra II -- temperature is wrong

move thermister probe higher on back of unit

Posted on Mar 10, 2008

hotuna
  • 288 Answers

SOURCE: thermostat does not stop heat pump unit

Most of these problems are the program settings on these way overcomplicated thermostats. You will need to re-read the instructions on setting the programs. Or bite the bullet and buy a cheaper and simpler one. If you installed it yourself, make sure the settings on the inside are correct, like gas/electric heat, and 24 volts, stuff like that.

Posted on Mar 14, 2008

Accurate Joe
  • 61 Answers

SOURCE: heat pump auxiliary heat does not turn on

Turn up your outside thermostat in the outside unit.
You should have about 3 degrees difference in one stage to the next. So I would change the thermosat with one that has three stages of heat.

Posted on Nov 30, 2008

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Is this a wireless system, meaning no wires between the thermostat and the boiler? If so, check to see if the code buttons have been reset. If this is a hardwire system, the relay on your control board may be stuck. In any case, you can always shut off the boiler by turning off the gas and/or circuit breakers.

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Sounds like a lot of unknowns from your article. Here are some basic checks

- if they are the honeywell zone valves and you try to open them and get resistance than 9/10 times the t-stat is not calling for heat and the valve should be closed
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This is a cold boiler problem.
There are several reasons for a cold boiler...boiler element is open, no power to the boiler element, thermostat is not functioning properly, or it could even be a board problem not delivering voltage to the boiler.
First start by opening the top and reseating all connectors on the board, if this does not help then you will have to extract the insides of the machine from the case to get at any of the boiler and thermostat hardware.
Start by removing the 1 screw holding the inside workings to the outer case. This is located on the right top side of the machine beside the grinder.
Use great caution while pulling the guts out of the case and watch the dredge drawer switch does not hang-up on the case. Snake the power cord through the bottom of the case while pulling the inner workings out of the case.
There are 2 elements in the boiler check them both for a resistance (they will not be the same resistance) if either are open then then replace the boiler. Check the thermostat on the back of the boiler for resistance, if open or shorted, then replace. Check thermal breaker on boiler, this should be shorted if not, reset it by pressing the button in the center of the breaker.
If none of this works then you will have to depress dredge drawer switch front door switch and insert the brew group to depress the brew group switch, plug in the unit and turn it on.
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