Owner manual

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.