Specifications

Model 17800B Recovery/Recycling/Recharging Unit

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

RECYCLING OPERATION

Compressor does not start or stops prematurely

Problem: Power cord is not plugged in or there is no power at plug

Solution: Check circuit for power

Problem: Tank valves are closed

Solution: Open both valves and be sure hoses are properly

connected to the tank

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

Refrigerant does not flow

Problem: Refrigerant supply empty or low

Solution: Add refrigerant to the tank

Problem: Tank valves are closed

Solution: Open both valves and be sure hoses are properly

connected to the tank and the unit

Troubleshooting