Tempstar Furnace Error Codes
Tempstar Furnace Error Codes

Tempstar Furnace Error Codes

If you're looking for help fixing your Tempstar Furnace, look no further! Our comprehensive Tempstar Furnace error code guide will explain common issues, provide tips, and show you how to read your model's error codes.

CODE: Heartbeat LED pattern on solid  
PROBLEM: The control is locked out and will auto-reset after 1 hour.  
FIX: Reset power to clear the lockout. 

CODE: Two LED flashes  
PROBLEM: Pressure switch didn’t open.  
FIX: Obstructed pressure tubing; a pressure switch that’s stuck closed. 

CODE: Three LED flashes  
PROBLEM: The low-pressure switch did not close or has reopened.  
FIX: Proper vent sizing; air leak; restricted vent; clogged condensate drain; low input gas pressure; excessive wind; improper pressure switch wiring; water in vent piping; disconnected or obstructed pressure tubing. 

CODE: Four LED flashes  
PROBLEM: Limit circuit fault.  
FIX: Loose blower wheel; defective switch or connections; improper minimum- or maximum-heat gas input adjustment; dirty filter or restricted duct system; improper limit switch. 

CODE: Five LED flashes  
PROBLEM: Abnormal flame-proving signal.  
FIX: Leaky gas valve; stuck-open gas valve. 

CODE: Six LED flashes  
PROBLEM: Ignition proving a failure.  
FIX: Low inlet gas pressure; control ground continuity; gas valve defect; defective hot surface igniter; oxide buildup on the flame sensor; inadequate flame carryover; flame sensor mustn’t be grounded. 

CODE: Seven LED flashes  
PROBLEM: Limit circuit lockout.  
FIX: Control will auto-reset after 3 hours.  

CODE: Eight LED flashes  
PROBLEM: Gas heating lockout.  
FIX: Gas valve stuck closed on control. 

CODE: Nine LED flashes  
PROBLEM: Medium pressure switch, high-pressure switch, or PSR relay didn’t close or was reopened.  

CODE: Ten LED flashes  
PROBLEM: Polarity.  
FIX: Correct line voltage polarity. 

CODE: Status codes 1 + 2  
PROBLEM: Blower on after power up.  
FIX: Normal operation. 

CODE: Status codes 1 + 5  
PROBLEM: Blower motor lockout.  
FIX: Control will auto-reset after 3 hours.  

CODE: Status codes 3 + 5  
PROBLEM: Gas valve fault.  
FIX: RED, YELLOW, or ORANGE wire at the gas valve. 

CODE: Status codes 4 + 1  
PROBLEM: Blower motor fault.  
FIX: Blower failed to reach 250 RPM, or the blower failed to communicate within the prescribed time limits. 

CODE: Status codes 4 + 2  
PROBLEM: Inducer motor fault.  
FIX: Proper vent sizing; restricted vent; failed inducer motor; improper motor wiring; a blockage in the tubing to the pressure switch assembly. 

CODE: Status codes 4 + 3  
PROBLEM: The low or medium pressure switch is open while the medium or high-pressure switch is closed.  
FIX: Low inlet gas pressure; clogged condensate drain; improper pressure switch wiring; water in vent piping; low or medium pressure switch stuck open; disconnected or obstructed pressure tubing. 

CODE: Status codes 6 + 1  
PROBLEM: Ignition lockout.  
FIX: Control will auto-reset after 3 hours. 



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Product Reviews:

Tempstar delivers a consistent range of high-performance products and multi
Tempstar delivers a consistent range of high-performance products and multiple options for energy efficiency ratings. Tempstar customers also benefit from comprehensive warranty coverage at affordable pricing.
Published: November 9, 2020
furnaceprices.ca
Source: furnaceprices.ca

I'd like to say that I am very satisfied with this Tempstar brand 99.9
I'd like to say that I am very satisfied with this Tempstar brand 99.9% of the issues that we end consumers have with our systems is due to poor installation by individuals that are not properly qualified to do the job. Anyone with common sense will know that that goes the same for any other product out there. This Tempstar unit that I have installed in my home tsa 6 – 16 seer is a super quiet and yet out performed my old Goodman I recommend this manufacturers brand which of whom is essentially a Carrier product doing my research ICP cooperation makes Carrier, Bryant, Tempstar, day night, Payne and their product is also under a number of names as well. They are all the same equipment different models different metal exterior designs however the equipment compressors and system components are exactly the same with all the different brands at which they make again this is doing my research once again I am 100% satisfied with my Tempstar I believe those of us that have the bad experience and leave really bad reviews are due to very poor installation of the equipment by unqualified individuals.. Hope this is helpful to any and everyone out there!!
Published: October 31, 2017
Brian Omaha,NE
Source: furnacecompare.com

I hired a very able company and had them remove my 12-year-old Rheem furnac
I hired a very able company and had them remove my 12-year-old Rheem furnace. I paid $2500 for a Tempstar-Heil single stage N9MSE furnace for use with propane. I've only had the unit for a few weeks but so far it's working perfectly, keeping my home within one degree of thermostat settings. It's possibly a bit quieter than the Rheem but I'm not sure any single stage unit can be non-intrusive when they run. Bottom line is that for $2500 installed I'm happy, and with the warranty this home should be warm for many winters to come…I hope.
Published: December 31, 2015
Joe Northeast PA
Source: furnacecompare.com

Have a 2 stage 95% efficiency condensing Tempstar furnace, installed by sel
Have a 2 stage 95% efficiency condensing Tempstar furnace, installed by self and careful old contractor. Gas bills dropped 25 to 30%, temperature in house much more even and comfortable at a lower thermostat setting. Has ran fine for 5 years, regular maintenance of condensing drain system, trap and line is a must with these units, watch for leaks etc. Also have a high quality electrostatic intake filter, which I clean regular, as well as the fan compartment. People probably put the cheapest filter they can find in a $3000 furnace no doubt, but not smart. This sort of care takes a few minutes now and then but pays off handsomely in maintenance bills.
Published: December 5, 2015
Randy
Source: furnacecompare.com

I've been living in my apartment for almost five years now, so I know
I've been living in my apartment for almost five years now, so I know the ins and outs of this furnace, though it's hard to know how much the furnace is to blame or the duct-work and insulation. It keeps the house warm and the bills pretty low. That's pretty much my only concern in a furnace. If I had any complaints about it, then those are basically that it doesn't seem to have a fast pick up.
Published: November 16, 2015
Buffalo, NY
Source: furnacecompare.com

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