Hvac Troubleshooting

Generally, HVAC systems are quite reliable but sometimes problems do occur. Among the problems that occur some belong to the do it yourself category while others require the intervention of expert technicians. Some of the common areas that might experience problems in an HVAC unit include the fuses, the capacitator, the gas valve, the thermostat, filters, drain lines, refrigerant leak, compressor, condenser coil, the evaporator coil and others. It might be possible for some homeowners to locate the problem area but they may not be able to put it right for which an expert service becomes a necessity.

In case, you plan to troubleshoot the problem that your HVAC system is facing, you need to start by checking whether the system has power or not. You should be able to locate the service panel and ensure that the circuit breaker has not tripped. Here it needs to be noted that the air conditioner and the furnace have dedicated circuit breaker or fuse for each of them, so you could turn either them off at a time and switch it on after sometime. The next thing that you need to check is the thermostat. There are some thermostats which function on electricity while there are others which work with batteries. In case, the batteries have worn out you will have to replace them with new ones.

As far as the thermostat is concerned, in case of the furnace you will have to set it at the heating mode around 3 to 5 degrees more than the room temperature and in case of air conditioner, it is important to set the thermostat at a cooling mode, 3 to 5 degrees below the room temperature. Along with other things it is important to check the ventilation of the unit as well. One needs to find out if the registers are open or not. Cleaning and replacing the filter of the HVAC unit is part of checking the ventilation, so this needs to be done at regular intervals.

 Besides these routine checks, homeowners might come across typical problems with their system and then they will have to follow specific methods. In case, you experience a high utility bill you can check for the following, like if the unit is constantly cycling on and off, if the thermostat is reaching its set value, whether you have a new appliance that consumes too much electricity and last but not the least, if the local utility company has had a recent rate increase.

Secondly, if your system is constantly running you can check the set point in your thermostat. Find out if it is very low during the summer months and very high during the winter months. An action that you can take from your side is to reset the thermostat. Even if this does not work, you will certainly have to get in touch with an expert technician.

In case of drain pipe overflowing, a recommended action would be to turn off the system and contact an HVAC technician.

Last but not the least, it is never a good idea to troubleshoot an HVAC system beyond one’s knowledge. Rather, getting professional help is much desirable.



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