Robinair 17801B Recovery, Recycling, Recharging Unit - Manual (Page 45)

Model 17800B/17801B Recovery/Recycling/Recharging Unit
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ENGLISH
RECOVERY OPERATION
Compressor does not start
Problem: Main power switch is off.
Solution: Turn on switch.
Problem: Power cord is not plugged in, or there is no power at plug.
Solution: Check circuit for power.
Problem: “FULL” message shows on digital display.
Solution: Change tanks (see Installing a Tank and Pulling A Vacuum).
Problem: “HI-P” message shows on digital display.
Solution: Verify tanks valves are open and hoses are connected to the tank, or
Check for air in the tank (recycle tank to purge any air), or
Check the scale calibration (see Checking the Scale Accuracy).
Note: If the“HI-P” message does not disappear in 20 minutes, the
pressure will have to be released manually. Recover the pressure
from the HI-P Access Port shown on page 4 in the Diagram of Units
Components - Internal View.
Problem: “CH-F” message on digital display.
Solution: Remove and replace the filter-drier (see Replacing the Filter-Drier),
and pull a vacuum before continuing.
Runs for a short time but does not complete recovery
Problem: Tank valves are closed.
Solution: Open both valves and verify hoses are connected to the tank.
Problem: Manifold valves are closed.
Solution: Open both valves.
Troubleshooting