Durham Region Air Conditioning Repair, Service and Installation
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CODE: O P.
RESULT: Normal operation.
RESULT: Normal operation.
CODE: E 0.
RESULT: Lockout due to excessive retries.
RESULT: Lockout due to excessive retries.
CODE: E 1.
RESULT: Low-stage pressure switch stuck closed at start of heating cycle.
RESULT: Low-stage pressure switch stuck closed at start of heating cycle.
CODE: E 2.
RESULT: Low-stage pressure switch stuck open.
RESULT: Low-stage pressure switch stuck open.
CODE: E 3.
RESULT: Open high-limit switch.
RESULT: Open high-limit switch.
CODE: E 4.
RESULT: Flame detected when no flame should be present.
RESULT: Flame detected when no flame should be present.
CODE: E 5.
RESULT: Open fuse.
RESULT: Open fuse.
CODE: E 6.
RESULT: Low flame signal.
RESULT: Low flame signal.
CODE: E 7.
RESULT: Igniter fault or improper grounding.
RESULT: Igniter fault or improper grounding.
CODE: E 8.
RESULT: High-stage pressure switch stuck closed at start of heating cycle.
RESULT: High-stage pressure switch stuck closed at start of heating cycle.
CODE: E 9.
RESULT: High-stage pressure switch stuck open.
RESULT: High-stage pressure switch stuck open.
CODE: E A.
RESULT: Reversed 115 VAC polarity.
RESULT: Reversed 115 VAC polarity.
CODE: d 0.
RESULT: Data not yet on network.
RESULT: Data not yet on network.
CODE: d 4.
RESULT: Invalid memory card data.
RESULT: Invalid memory card data.
CODE: b 0.
RESULT: Blower motor not running.
RESULT: Blower motor not running.
CODE: b 1.
RESULT: Blower communication error.
RESULT: Blower communication error.
CODE: b 2.
RESULT: Blower HP mismatch.
RESULT: Blower HP mismatch.
CODE: b 3.
RESULT: Blower motor operating in power, temperature or speed limit.
RESULT: Blower motor operating in power, temperature or speed limit.
CODE: b 4.
RESULT: Blower motor current trip or lost rotor.
RESULT: Blower motor current trip or lost rotor.
CODE: b 5.
RESULT: Blower motor locked rotor.
RESULT: Blower motor locked rotor.
CODE: b 6.
RESULT: Over/under voltage trip or over temperature trip.
RESULT: Over/under voltage trip or over temperature trip.
CODE: b 7.
RESULT: Incomplete parameters sent to motor.
RESULT: Incomplete parameters sent to motor.
CODE: b 9.
RESULT: Low indoor airflow.
RESULT: Low indoor airflow.
CODE: C 1.
RESULT: Low-stage cooling.
RESULT: Low-stage cooling.
CODE: C 2.
RESULT: High-stage cooling.
RESULT: High-stage cooling.
CODE: L O.
RESULT: Low-stage heat.
RESULT: Low-stage heat.
CODE: H I.
RESULT: High-stage heat.
RESULT: High-stage heat.
CODE: F.
RESULT: Continuous fan.
RESULT: Continuous fan.
CODE: 1 2.
RESULT: CFM/100; Alternates with C1, C2, LO, HI, F.
RESULT: CFM/100; Alternates with C1, C2, LO, HI, F.
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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