© 2000 Robinair, SPX Corporation
8
Troubleshooting Tips
Compressor does not start
Problem: Compressor circuit breaker has tripped
Solution: Depress the circuit breaker switch
Problem: HIGH PRESSURE light is on
Solution: The high side pressure switch has tripped; Verify that the tank
and hose ball valves are open. Check tank and verify that it is
not full
Problem: POWER switch is not on
Solution: Press the POWER switch to ON
Compressor runs but does not move refrigerant
Problem: Valve is not in the RECOVER position
Solution: Turn Valve to RECOVER
Problem: The ball valves on the hoses are not open
Solution: Open the ball valves
Problem: The tank valves are not open
Solution: Open the valves
During recovery, unit shuts off on high pressure
Problem: The refillable tank valves are not open
Solution: Open the tank valves
Problem: Valves on hoses are shut
Solution: Open valves
Unit will not pull down to appropriate vacuum level
Problem: There is a leak in the A/C system
Solution: Fix the leak
Problem: Trapped pockets of refrigerant
Solution: Allow system to stabilize then heat with a heat gun
