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10 CFM Compressed Air Dryer Chapter 6: Troubleshooting 24 of 30
Problem Possible Cause Possible Remedy
Disconnect switch or Control
Power switch not set to ON.
Control Power fuse blown.
Check control power fuse for
continuity. Turn disconnect
switch and control power
switch ON.
The key protection switch is
set to ON.
Set the key protection switch
to OFF.
Compressed air source is no
longer sufficiently above 35
psi.
Check compressed air source
for proper functioning.
Alarm light is on and unit has
no air pressure.
Regulator is set below 35
psi.
Check regulator for proper
functioning.