ALTEC AIR, LLC
P550W Series Air Dryers User’s Guide
Page 64 of 98
P011658 – Rev. S
9.10.5
Reconnect air hose.
If the Compressor Cycling fails either test described, it indicates a problem with
the Control Board which will need to be replaced. See sections 11.1 for part
detail and 11.5 for ordering information.
9.11 Testing High Compressor Last Run Time Alarm
CAUTION
: Be careful when removing Air hose. System is pressurized.
NOTE:
For this test, allow the Display Screen to cycle through the information
screens.
9.11.1
Start timing when the compressor turns on.
9.11.2
Depressurize air Dryer (see section 8.2.1 )
This prevents the compressor from shutting down.
When the compressor runs
for 3:00 minutes (unless
adjusted to a different Set
Point by the user), a High
Compressor Last Run Time
(
LAST RUN
) alarm should
appear on the System Screen.
9.11.3
Reconnect air hose.
9.11.4
Press the
RESET Button
.
