Troubleshooting Chart
NOTE: TROUBLESHOOTING PROBLEMS MAY HAVE SIMILAR CAUSES AND SOLUTIONS
Problem
Possible causes
Solutions
Breaker Trips
1. Low Voltage supply
2. Motor overloads tripped
3. Restricted air passages
4. Loose wires at contact points
5. Seized Pump
1. Check that incoming
power wire size is adequate for
compressor
2. Check that compressor is on
dedicated circuit
3. Adjust belt tension
4. Check wire connections to
make sure they are tight
5. Inspect transfer tubes and,
check valve
Compressor Stalls
1. Low voltage supply to
compressor
2. Loose compressor belts
3. Bad check valve
4. Seized compressor pump
1. Check compressor power
supply for adequate breaker and
wire size
2. Inspect check valve for proper
operation
3. Tighten belts
4. Check compressor for proper
oil level
Low Discharge Pressure
1. Air leaks in shop
2. Leaking valves
3. Restricted air intake
4. Blown gaskets/seals
5. Worn piston rings or cylinder
1. Tighten or replace leaking
fittings, or joints
2. Clean or replace air filter
Compressor Pump Knocking
1. Loose motor pulley or
compressor flywheel
2. Low oil level in compressor
pump
3. Carbon build up on valve and
piston
1. Tighten pulley or flywheel
2. Keep oil level at recommended
level for proper operation
3. Only use factory recommended
oil
You should always contact an authorized service center before attempting to fix or
repair your air compressor
Always make sure electrical power is off before removing any inspection covers or plates
Industrial Gold Air Compressors
|
800-531-9656
| www.industrialgold.com
7.5, 10, 15 HP Electric Reciprocating Compressor
