Troubleshooting – Robinair 178012K Recovery, Recycling, Recharging Unit User Manual
Page 41
Model 178002K/178012K Recovery/Recycling/Recharging Unit
39
Troubleshooting
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:
Be sure tanks valves are open and hoses are properly 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)
Problem:
“CH-F” message on digital display
Solution:
Remove and replace the filter-drier (see Replacing the Filter-
Drier), and be sure to 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 be sure hoses are properly
connected to the tank
Problem:
Manifold valves are closed
Solution:
Open both valves
Runs but will not shut off
Problem:
Oil drain valve is open
Solution:
Close the oil drain valve
Problem:
There is a leak in the A/C-R system
Solution:
Locate and repair all system leaks
Problem:
Hoses are not properly connected to the vehicle
Solution:
Check hose connections
Problem:
Oil return solenoid is open
Solution:
Replace the oil return solenoid