Robinair 17801B Recovery, Recycling, Recharging Unit - Manual (Page 47)

Model 17800B/17801B Recovery/Recycling/Recharging Unit
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ENGLISH
RECHARGING OPERATION
No power when MAIN POWER switch is on — no display showing
Problem: Power cord is not plugged in, or there is no power at plug.
Solution: Check circuit for power.
Problem: The “CHECK REFRIGERANT” message is displayed.
Solution: There are less than 6 pounds of refrigerant in the tank; add
refrigerant to the tank.
Audible tone sounds during refrigerant transfer
Problem: Transfer stopped or too slow.
Solution: Close the high-side valve, then start the A/C-R system and pull the
remaining refrigerant into the system.
Problem: Refrigerant supply is low or empty.
Solution: Add refrigerant to the tank or change tanks.
Problem: Tank valves are closed.
Solution: Open both valves, and verify hoses are connected to the tank and
the unit.
Troubleshooting