Husky VT6314 Use and Care Manual download pdf (Page 23)

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Troubleshooting (continued)

Problem Possible Cause Solution

The motor hums and runs

slowly, or the motor does

not run at all.

□ The voltage is low. □ Check incoming voltage. It should be approximately 240 volts.

The motor will not run properly on 208 volts. Low voltage could

be due to wires (from electrical source to compressor) being too

small in diameter and / or too long. Have a qualiﬁ ed electrician

check these conditions and make repairs as needed.

□ There are too many devices on the

same circuit.

□ Limit the circuit to the use of the compressor only.

□ The electrical connections are loose. □ Check all the electrical connections.

□ The pressure switch is

malfunctioning - the contacts will

not close.

□ Replace the pressure switch.

□ The check valve is malfunctioning. □ Replace the check valve. Do not disassemble the check valve with

air pressure in the tank.

□ The unloader valve on the pressure

switch is defective.

□ Replace the unloader valve.

□ The motor capacitor(s) are defective. □ Replace the capacitor(s).

□ The motor is defective. □ Replace the motor.

The reset mechanism

cuts out repeatedly or

the circuit breaker trips

repeatedly.

□ There is not proper ventilation for

the air compressor unit, or the room

temperature too high.

□ Move the compressor to a well-ventilated area.

□ There are too many devices on the

same circuit.

□ Limit the circuit to the use of only the air compressor.

□ The air intake is restricted. □ Clean or replace the air ﬁ lter element.

□ The electrical connections are loose. □ Check all the electrical connections.

□ The pressure switch shut-off

pressure is set too high.

□ Replace the pressure switch.

□ The check valve is malfunctioning. □ Replace the check valve. Do not disassemble the check valve with

air pressure in the tank.

□ The unloader valve on the pressure

switch is defective.

□ Replace the unloader valve.

□

The motor capacitor(s) are defective. □ Replace the capacitor(s).

□ The motor is defective. □ Replace the motor.

The tank does not hold

pressure when the

compressor is off and the

shut off valve is closed.

□ There are air leaks in the ﬁ ttings,

tubing on the compressor, or the

plumbing outside the unit.

□ Listen for escaping air. Apply soap solution to all ﬁ ttings and

connections. Bubbles will appear at points of leakage. Tighten or

replace leaking ﬁ ttings or connections. Use pipe thread sealant.

□ The check valve is worn. □ Replace the check valve. Do not disassemble the check valve with

air pressure in the tank.

□ Check the tank for cracks or pin

holes.

□ Replace the tank. Never try to repair a damaged tank.

The pressure switch

continuously blows air out

the unloader valve.

□ The check valve is malfunctioning. □ Replace the check valve if the unloader valve on the pressure

switch bleeds off constantly when the unit shuts off. Do not

disassemble the check valve with air pressure in the tank.

There is excessive

vibration.

□ The fasteners on the pump or the

motor are loose.

□ Tighten the fasteners.

□ The belt needs to be replaced. □ Replace the belt. Make sure to use the correct size.

□ The belt needs to be aligned. □ Align the ﬂ ywheel and the pulley.

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Husky VT6314 Use and Care Manual Page 23

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