How do you test a circuit board on a Goodman furnace?
Troubleshooting a Goodman Furnace Circuit Board
- Locate the LED display panel for the furnace.
- Read the error codes on the LED display if it is flashing.
- Count the number of flashes on the display.
- Turn off the supply of power to the furnace if the circuit board is malfunctioning.
How much is a furnace control board?
A furnace control board replacement costs $300 to $650 on average. A furnace circuit board or motherboard costs $50 to $300 for the part alone, plus $250 to $350 for replacement labor….Furnace control board replacement cost.
| National average cost | $450 |
|---|---|
| Minimum cost | $150 |
| Maximum cost | $900 |
| Average cost range | $300 to $650 |
How do I know if my furnace circuit board is bad?
What are the Signs of a Bad Furnace Control Board?
- Warning lights on your furnace’s diagnostic system (see step 1 below)
- Temperature instability (especially when the thermostat is ok) and;
- Interruptions in the normal sequencing of your furnace.
What causes furnace circuit board failure?
Failed transistors: The transistors in the control board are susceptible to damage due to power surges, static electricity, and age. Transistors are often the first part of a control board to fail. Loose wiring: The vibrations of the furnace over the years can cause wiring in the control board to shake loose.
How do I know if my furnace board is bad?
If a control board starts to break, you will notice some of the following signs of malfunction:
- Warning lights. Typically, control boards have LED indicators that function as warning lights.
- Temperature instability.
- Interruptions in the event sequence.
How long should a furnace circuit board last?
If it is already 15 years old, getting a new circuit board may only add another five years or so to the life of the furnace. On the other hand, investing in a new furnace means you will have between 15 and 20 years of life.
How much does it cost to replace HVAC circuit boards?
HVAC Circuit Board Repair Cost The price to repair an HVAC circuit board is $100 to $600. This job often includes replacing it. HVAC circuit boards usually need repair or replacement due to other electrical problems in the system, such as: Dirty or incorrect fuses.
How do I know if my furnace control board is bad?