Troubleshooting tips, Recovery and vacuum operation – Robinair 34134-2K Refrigerant Recovery, Recycle, Recharge Unit User Manual

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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.