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We have a 1F89-11 White Rogers thermostat...blower does not initiate when proper setting is made (to demand heat)..."Heat" indicator is displayed and later blinks..."Aux" light luminates. Resetting t

Copper lines entering and exiting the blower unit are hot.

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Hi. This is Aaron Moratalla from White Rodgers. Heat flashing means the system is in Lock Out mode. This signal means the 1F89-11 is "protecting" your compressor from short cycling which is harmful to the system. It usually last for 5 min to allow head pressure to stabilize. If you want to override this feature while testing thermostat operation, move the SYSTEM switch to OFF position for 6 to 10 seconds then back to the desired mode. Shoud you need further assistance please don't hesitate to call our Tech Line at 800-284-2925. Thank you for choosing White Rodgers!

Posted on Jan 10, 2013

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Might be heatpump and heat strips are coming on at the same time call a a/c tech

Posted on Jan 04, 2013

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Posted on Jan 02, 2017

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SOURCE: MY HEAT PUMP SYSTEM WILL NOT WORK IN EMERGENCY MODE

the thermostat sub base has a place to connect a wire usually white to energize the heat strips when you push the stat way hotter than the house temp. that is why the strips come on in normal heat. it also has a terminal that is only energized in emergency heat and it also should have a wire connected to it so that terminal can supply power to the strips when the stat is switched into emerg heat . you can identify the terminal from the wiring diagram and if need be jumper w2 wire over to the aux terminal and it will work. they both go back into the airhandler and power the same strips. w2..................................................................................................w2 in airhandler to strips or w2...jumper to aux......................................................................................................................w2 in airhandler to strips.

Posted on Nov 10, 2008

meBNme
  • 334 Answers

SOURCE: Carrier heat pump: aux heat does not seem to work

The unit is probably to small for theare you are trying to heat.

When the Aux HT light came on that meant the heat pump could not keep up with the demand for heat. (Probably due to extreme cold, or undersized unit.)

If yu have heat, then at least one heat strip is operating. If you have multiple heatstrips, one or more could be malfuncioning.

Or it could simpy be to cold/to small fr your area and not able to keep up.

How many square foot are you trying to heat?
What is the outside temp?
What is the inside temp?
What size unit (BTU output) do you have?

Posted on Dec 23, 2008

meBNme
  • 334 Answers

SOURCE: Thermostat show AUX HEAT

A heatpump has two sources of heat. One is when the heatpump is operating in normal heat mode, and the other is typically electric heat strips.

The strips come on when the unit is going into defrost, when the unit is not able to keep up with the demand for heat (really cold temps) and when the unit is not working properly.

Whne the strips are on, the T-stat displays "aux-heat" to indicate the strips are in operation.

If the strips are working properly you should have warmer air than with the HP alone. Try switchin it from "heat" to "emergency heat" and see what it will do.

When the HP is not able to keep up with the demand for heat then the heat strips come on, but they typically come on only when the room temp has gotten well below the thermostat setting.

In that situation it would be normal to see indoor temps at 63 degrees when the T-stat is set on 70.

But when you set it to E-heat it bypasses the heatpump operation and goes directly to the heat strips. If they are working properly it should maintain an accurate temp in the home.

Posted on Jan 23, 2009

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SOURCE: rheem heat pump. blower will not turn off

The fans are set to delay for 60-90 seconds to remove all heat from the heat exchanger/heater elements.

If the fan runs any longer than 3-4 minutes after the Emergency Heat shuts off, you may have a bad sequencing relay in the air handler.

Posted on Jan 27, 2009

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SOURCE: heat pump works in emergency heat, but not in auxiliary heat

I set the thermostat for 70 degrees. It comes on always in auxillary heat and does not shut off when it reaches 70 degrees. It is a heat pump, I am assuming, it might be the thermostat? But when the air conditioner is on, it turns off when it reaches it's temperature.

Posted on Oct 16, 2009

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How do I connect a 24v damper motor with 6 colored wires red white yellow green blue black to NO COM NC terminals.


Choose two colors of the thermostat wire, and connect them to the NO and COM and connect them to the zone control board leads for the zone intended. Almost all zone valves spring return open when deenergized. So ensure the zone valve is open with the system is off. At the base of zone valve there is a set screw that needs to engage the damper valve shaft in the open position with the motor in the spring release position. Most zone valve are 90 degree moment from full open to full shut. If you have a Carrier zone valve, they go full open to full shut in 45 degrees of motion. Your open stop need to be set so the valve stops in the full stop position.
To help understand the operation of a zone system, say you have 2 zone system and zone 1 thermostat initiates a heat or cool demand. Zone 2 valves energizes and shuts and zone 1 stays open and allow air to heat/ cool zone 1. If zone 2 thermostat simultaniously initiates the same heat/cool demand, the zone 2 valve opens and both zone heat/cool. When either thermostat is satisfied the opposite zone valve closes and when both thermostat are satisfied both zone valves open.
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White Rogers digital thermostat displayed "lo".


Thank you for your interest with Emerson White Rodgers. My Name is Joselito Laxamana from technical department. After replacing the battery you need to do the reset operation. If you need further assistance please contact us at 1800-284-2925.

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1 Answer

We have a White-Rodgers 90 series thermostat that started beeping last night. We have had it for about 4 years. Does it have a battery? I couldn't find anything about that in the manual.


Susan, the "90" series of thermostats covers a couple of different thermostats made by White-Rodgers. Here's how to find your model number. With that info, I can check the manual specific to your thermostat.

In the mean time, check the display for the word BATTERY or BAT. (Flashing) on the display. Battery flashing or blinking on the digital display indicates low batteries. If the batteries have recently been changed and the thermostat continues to indicate low batteries, use a pencil eraser to polish each of the battery contacts inside the back of the thermostat. Do not bend them up and down when polishing or you might break them. When complete, they should all be as shiny as a mirror. This will assure proper battery back-up, allow the backlight to work correctly and remove the flashing battery symbol from the screen. Battery (Solid) on Display The battery symbol (not blinking) indicates a loss of power (24 volts) from the heating and cooling equipment to the thermostat. Normally the heating and cooling do not operate when the battery indicator is on. If the battery indicator is on, check the fuses or breakers, make sure the furnace is switched on, and verify the blower compartment door is closed properly. The battery display is designed to indicate the thermostat is running on batteries, so replacing batteries has no effect on the indicator. See No Heat/No Cool for more information. Note: Some heat only systems (zoned systems) disconnect power from the thermostat during a normal heating cycle and display the battery symbol. Millivolt heating systems always indicate battery because they do not supply 24 volts to the thermostat.

A beep often is provided as audible feedback when keys are depressed on many thermostats. You should check to make sure that no key is stuck in the "in" position or is otherwise activated.

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Try removing the battery and disconnecting the "R" wire for approx 10 minutes, then reconnect and reinstall good battery........sort of like restarting a computer.......we're hoping this will reset something. If you continue to have problems and are certain without a doubt that the battery is good, then the problem is in your thermostat.

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2 Answers

Auxiliary light was lite on my white-rodgers 1f82-51 thermostate and i have no heat?


follow this guide:
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sound. This sound usually indicates the thermostat
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click, try the reset operation. If the thermostat does not click after being reset contact your heating and cooling service person or place of purchase for a replacement. If the thermostat clicks, contact the furnace manufacturer or a service person to verify the heating is operating correctly.

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My white-rogers 1F81-261 model thermostat keeps rgoing back to a 62 degree setting after the furnace kicks on at a setting of 72 degrees. I have reset the program, but that doesen't seem to help. What can...


MANUAL OPERATION
• HOLD TEMPERATURE — With the SYSTEM switch set to
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Goodman GMH950904CXAC with white rogers programmable stat. Turn the furnace on and the blower comes on whether there is a call for cool or not. Red led on control board is on, indicating OK. Disconnect...


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2 Answers

Thermostat show AUX HEAT


A heatpump has two sources of heat. One is when the heatpump is operating in normal heat mode, and the other is typically electric heat strips.

The strips come on when the unit is going into defrost, when the unit is not able to keep up with the demand for heat (really cold temps) and when the unit is not working properly.

Whne the strips are on, the T-stat displays "aux-heat" to indicate the strips are in operation.

If the strips are working properly you should have warmer air than with the HP alone. Try switchin it from "heat" to "emergency heat" and see what it will do.

When the HP is not able to keep up with the demand for heat then the heat strips come on, but they typically come on only when the room temp has gotten well below the thermostat setting.

In that situation it would be normal to see indoor temps at 63 degrees when the T-stat is set on 70.

But when you set it to E-heat it bypasses the heatpump operation and goes directly to the heat strips. If they are working properly it should maintain an accurate temp in the home.

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