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If I were you, I would protest the charges you have already paid since you have not received satisfactory results.

No. Leave the compressor connected as is. The new fan motor will now have a capacitor of its own.

If this occurs when switching between "HEAT & "OFF", it isn't likely the air conditioner has anything to do with it. I would begin with an inspection of the thermostat and low-voltage wiring.

Did the previous motor have a separate capacitor, or was it connected to a dual capacitor shared with the compressor? If you are changing from one arrangement to the other, the black wire connects to...

Maybe it's just feeling a li'l under-appreciated... say something nice to it... :D

The burner assembly and/or the gas orifices need to be cleaned, and the gas input (manifold pressure) needs to be checked & adjusted if necessary.

If the transformer failed again, the system would have no control power. Re-read my last post.

If the air filter is clogged, it may cause the high-limit control to cycle the burner off due to overheating. If this occurrs frequently and often enough, it can cause the high-limit control to be...

Sounds like there is a short or shunt in the control circuit to the outdoor unit. The transformer you previously replaced may have been overloaded and failed when you switched on the a/c for the...

Posting the brand/model# of the furnace would be helpful. One way to accomplish this: At the furnace, move the "W" wire to the "G" terminal. Turning the thermostat up will cause the furnace blower to...

There are thermostats available (like the Bryant T6) that can manage fully featured systems using only 2 wires between the display module and the equipment control module. These were designed...

Provide more info about the heater (model#, gas/elec. etc.).

Do you mean the outdoor unit doesn't run? If so, start by checking the fuses and/or circuit breaker for the outdoor unit. There may be fuses in the outdoor disconnect, if present.

Sounds like the flame sensor is dirty/oxidized. This is a pretty easy fix. You will find it located at the opposite end of the burner assembly from the ignitor. Remove it and clean with fine...

The replacement brand doesn't matter, and the actual part # will vary from brand to brand. Match the replacement to the ratings of the voltage (370 is most common, 440 would be more reliable) and...

If you have a variable-speed indoor unit, the sound you hear is not unusual. DC motors have much stronger magnets than AC motors, and a pulsing sound at start-up & during coast-down is inherent to...

Likely a failed dual capacitor. The compressor may not be running. The pic shows a failed capacitor on the left, a good one on the right.

Indeed... why? Flue gas temperatures from a non-condensing furnace are too high to be safely vented with PVC. What is the problem with your existing B-vent?

What brand/model# is the furnace? There are many possibilities. Knowing what you have will greatly help to minimize irrelevant suggestions.

Are you certain that the outdoor unit runs in the cooling mode? If so, the problem is most likely in the thermostat. Try this: turn off power to the indoor unit and remove thermostat. Remove the...

There are many variations/revisions of the 395C. You didn't post the complete model #. That's why my suggestions included "may" & "if present". Good luck, and thanks for the reddie.

Sounds like you have either lost line voltage power to the outdoor unit, or a capacitor has failed. Check your outdoor disconnect for fuses, and check the dual capacitor for failure (see pic - middle...

If possible, measure the actual size of the opening in the sidewall of the furnace, where the return air duct is connected. A smaller filter may be easier to install, provided it is large enough to...

Did you come across a troubleshooting section in the manual? This unit may have a status/diagnostic light which will provide clues. Look for a service label on the unit with instructions regarding...

There is 1 method: superheat. Check this out. http://www.hvacsalesandsupply.com/Linked%20Documents/Tech%20Tips/Proper%20System%20Charging.pdf

It sounds like either a problem with a limit circuit component or the circuit board. How long have you experienced this situation?

What is the model # of the furnace?

Check for fuses in the outdoor disconnect.

Post the actual model # of the indoor unit.

I'm guessing that the wiring diagram label is no longer present.. The red wire would be the control power to the switch. Beyond that, you will have to trace the other wires to their destination. One...

By now, it's fixed, or they moved to a new place with a working thermostat... :D

When lit, does the pilot flame make good contact with the thermocouple? If not, the pilot burner needs cleaning and/or the pilot gas input needs adjusting. If so, the thermocouple has likely failed.

If the unit has a status LED, it may provide a clue as to why the fan is running. Units with this feature usually have a label on the blower access panel or within the blower compartment, with a...

Based on the info you have provided, the most probable scenario suggests that the red wire would connect to the "R" terminal (with RC-RH jumper installed, if present), the white wire would connect to...

Sounds like either the blower isn't working right, or the ductwork has come apart, or perhaps inner duct insulation has come loose. If you can verify that the blower runs, you may try spying through...

You can, provided the replacement sequencer has enough switches. The original sequencer is probably more box-like (as in the pic in the upper-left). Ideally, you should have a separate switch for...

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Does this only occur when the furnace and the dryer are running at the same time?

The problem may also be rust accumulation in the main burner cross-lighter slots.

Furnaces and fan coils equipped with ECM blower motors are designed for economical continuous fan operation, which is very effective at minimizing temperature difference from level to level in my...

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R-G powers the indoor fan circuit.

Does this unit have 1 dual-cell capacitor, or 2 single-cell capacitors? If 2, typically the brown wire goes to one side of the capacitor, and a jumper lead goes from the same line as the purple lead...

Oops, I had forgotten about that one. That is the NEWEST style. I even carry one on my service truck, but I haven't had to replace one yet. If your unit is similar to the pic you attached, it is not...

I agree with the previous post. Don't assume that the seller is truly knowledgeable about the unit - or honest. They wanted you to purchase it, and wouldn't want to discourage you. If you can provide...

If the unit is equipped with a combination fan/limit control, it may be stuck in the "ON" position. If so, try gently rotating the dial counter-clockwise to see if the fan shuts off.

LH33ZS004 is the part # for the only HSI that Carrier & Bryant use. Handle it as you would an egg (very fragile!) and don't touch the element with your bare hands. If the ignitor bracket clips into...

#11... wait, what? Doesn't everyone do that anyway? :D

For the really adventurous: Randomly dig holes in your front yard. At night. While wearing a raincoat, and singing "Happy Birthday"...

What type of system is this (gas, electric, heat pump?). Can you provide the brand & model # of the indoor unit? Does the system function in the heating mode? The problem may have nothing to do with...

When you say "burn-out", does the board appear to actually be burned, or is it just not working? If you still have any of the old ones laying around, post a pic or two.