Durham Region Air Conditioning Repair, Service and Installation
Rheem furnaces are all equipped with an advanced 7-segment diagnostic display you can use as a guide if something goes wrong with your heating system. Unlike many other furnaces, Rheem ones don't use flashing LED light sequences to indicate errors, and the display will instead give you a simple code you can use for diagnostics. For instance, 0 means the unit is in standby, while H means the heat is on.
The flashing LEDs on your furnace will correspond to a specific fault code that is shown here on their diagnostic chart.
CODE: Error Code 10.
RESULT: There's a one-hour lockout in place.
RESULT: There's a one-hour lockout in place.
CODE: Error Code 11.
RESULT: The ignition failed.
RESULT: The ignition failed.
CODE: Error Code 12.
RESULT: Low flame detected.
RESULT: Low flame detected.
CODE: Error Code 13.
RESULT: The flame was lost.
RESULT: The flame was lost.
CODE: Error Code 14.
RESULT: There was an unexpected flame.
RESULT: There was an unexpected flame.
CODE: Error Code 20.
RESULT: There was a twinning fault.
RESULT: There was a twinning fault.
CODE: Error Code 22.
RESULT: Problem with high limit.
RESULT: Problem with high limit.
CODE: Error Code 26.
RESULT: Reversal of line and neutral.
RESULT: Reversal of line and neutral.
CODE: Error Code 33.
RESULT: Roll-out switch problem.
RESULT: Roll-out switch problem.
CODE: Error Code 55 / 57.
RESULT: Pressure switch issue.
RESULT: Pressure switch issue.
CODE: Error Code 58 / 59.
RESULT: Water or condensation problem.
RESULT: Water or condensation problem.
CODE: Error Code 61.
RESULT: Problem with the blower.
RESULT: Problem with the blower.
CODE: Error Code 93.
RESULT: Problem with the control.
RESULT: Problem with the control.
See What Our Customers Are Saying:
Jan 1, 2015
My old furnace had finally broken down for the last time when contacted twintech to have a new furnace installed They were prompt, knowledgeable and very reasonably priced. They did such a great job i tell all my friends and family about this company.
Jan 1, 2015
To whom it may concern, I recently had TwinTech (Greg and Grant Dainty) replace my furnace and service both my gas fireplaces and air conditioning unit. They were professional, courteous and very fair in their pricing. I would gladly recommend TwinTech to anyone needing work done. I can be contacted at 905-626-XXXX.
Jan 1, 2015
My Fiancé and I have relied on Twintech Heating and Cooling now for the better part of the last 10 years. In that time, Greg has installed a furnace, an air conditioner, and a heat-pump at our residence in Toronto. In each instance Greg and his team were a pleasure to deal with. They were courteous and professional throughout the whole process and the quality of their work is first rate. Our experiences have always been extremely positive and we have referred his services numerous times to our friends and family. Without hesitation, I would recommend Greg and TwinTech Heating and Cooling to anyone looking to service or replace their existing heat/AC equipment
See What Our Customers Are Saying:
Feb 18, 2025
Very pleased with the professional service that TwinTech Heating and Cooling provided in replacing my furnace. I got several quotes from different service providers. Their price was excellent and they explained the features very well. We are very glad we went with TwinTech and highly recommend their services.
Feb 18, 2025
We were new homeowners in need of a second opinion. TwinTech Heating & Cooling were Amazing and professional. Very knowledgeable and great service all around. Recommend to anyone looking for honest and reliable services. Treated with respect and care. Thank you Greg, Mitch and Bob!
Feb 18, 2025
TwinTech is an excellent and honest company! I called them for a second opinion after being told by another company that I needed to replace my furnace. Turns out this was not the case at all! I did not need a new furnace. TwinTech did not push to make an unnecessary sale and saved me from a huge expense. Bob and Mitch were extremely professional and above all honest! I definitely recommend TwinTech!
Feb 18, 2025
Amazing experience with TwinTech Heating & Cooling! Their team was professional, knowledgeable, and efficient from start to finish. They installed my new furnace quickly and left everything spotless. The technicians took the time to explain everything and made sure I was comfortable with the system before they left. Great customer service and fair pricing. I highly recommend them for anyone needing HVAC services!
Feb 18, 2025
Great experience all around. Bob was sharp and easy to talk to, and Greg handled the installation perfectly. Would hire them again in a heartbeat.
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