Robinair 34134-2K Refrigerant Recovery, Recycle, Recharge Unit - Manual (Page 16)

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© 2000 Robinair, SPX Corporation
Troubleshooting Tips
RECOVERY AND VACUUM OPERATION
Compressor does not start or stop prematurely
Problem: No power.
Solution: Check for power at plug or outlet.
Problem: **OVERLOAD** is displayed.
Solution: Move refrigerant from unit tank to approved refrigerant storage
tank. See RECHARGING A/C SYSTEM.
Problem: HIGH PRESSURE is displayed.
Solution: Be sure tank valves are open and hoses are correctly connected
to the unit tank.
Problem: **SCALE** is displayed.
Solution: The scale is damaged, disconnected, out of calibration or over-
loaded.
Runs but gauges won't indicate 13 in Hg (0.44 BAR)
Problem: Oil drain valve open.
Solution: Close the oil drain valve.
Problem: Leak in vehicle system.
Solution: Locate and repair all system leaks.
Problem: Manifold valves not open.
Solution: Open valves.