Air Compressor: Air tank pressure gauge isn't working
Check the tank for air pressure by pulling the ring on the safety valve. If air escapes the air tank indicating that the tank has significant air pressure, replace the air tank pressure gauge.
These repairs may help solve your Air Compressor problem:
Replace the air compressor tank pressure gauge
The air tank pressure gauge indicates whether the tank is full of compressed air. Replace the air compressor pressure gauge if it's damaged or defective.
For manuals, repair guides, and specific part recommendations, enter your model number.