Troubleshooting – Robinair 178012K Recovery, Recycling, Recharging Unit User Manual
Page 42
© 2000 Robinair, SPX Corporation
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Troubleshooting
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
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 is 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