Porter-Cable C7550 instruction manual D27042 24-ENG

Models: C7550

1 26
Download 26 pages 49.62 Kb
Page 24
Image 24

PROBLEM

CAUSE

CORRECTION

Motor will not run.

Motor overload protection switch has tripped.

Tank pressure exceeds pressure switch "cut-in" pressure.

Check valve stuck open.

Loose electrical connections.

Possible defective motor or starting capacitor.

Paint spray on internal motor parts.

Pressure release valve on pressure switch has not unloaded head pressure.

Fuse blown, circuit breaker tripped.

Let motor cool off and overload switch will automatically reset.

Motor will start automatically when tank pressure drops below "cut-in" pressure of pressure switch.

Remove and clean, or replace.

Check wiring connection inside pressure switch and terminal box area.

Have checked by a Trained Service Technician.

Have checked by a Trained Service Technician. Do not operate the compressor in the paint spray area. See flammable vapor warning. Bleed the line by pushing the lever on the pressure switch to the "Off" position; if the valve does not open, replace switch.

1.Check fuse box for blown fuse and replace as necessary. Reset circuit breaker. Do not use a fuse or circuit breaker with higher rating than that specified for your particular branch circuit.

2.Check for proper fuse. You should use a time delay fuse.

3.Check for low voltage conditions and/or proper extension cord.

4.Disconnect the other electrical appliances from circuit or operate the compressor on its own branch circuit.

Safety Valve on

Pressure switch, check

Have checked by a Trained

pump "pops"

valve, or pump could be

Service Technician.

out (if

in need of servicing.

 

equipped).

 

 

 

 

 

D27042

24-ENG

Page 24
Image 24
Porter-Cable C7550 instruction manual D27042 24-ENG