PUREGAS, LLC
P6500W Air Dryer User’s Guide
Page 53 of 88
P010452 – Rev. Q
9.11 Testing Compressor ON/OFF Cycling
9.11.1
Remove Front Panel (see section 8.7.2 )
9.11.2
When the Unit Screen
(8.4.5.1 ) appears on the
display, press the
HOLD
Button
on the Front Panel to
freeze that screen.
With Compressor(s) running:
9.11.3
Verify the compressor(s)
shuts down when the tank
pressure (
TANK
) reaches
50.0 PSI
.
If the tank pressure (TANK) fails
to reach 50 PSI, see section 13.14
for troubleshooting information.
With Compressor(s) NOT running:
9.11.4
Pull the ring handle on the
Safety Relief Valve to release
air pressure from the air tank.
9.11.5
Verify the compressor(s)
turns on when the tank
pressure (
TANK
) falls to
20.0
PSI
.
9.11.6
Reinstall Front Panel.
If the Compressor Cycling fails either test described, it indicates a problem with
the Control Board which may need to be replaced. See sections 11.1 for part
detail and 11.7 for ordering information.
