Model 3600
Refrigerant Recovery System
17
CHAPTER 5: TROUBLESHOOTING
Problem
LED Status
Possible Cause
Solution
Compressor
Will Not Start
•
Green LED
Vacuum pressure switch has
been activated
Turn unit off. Apply 1-2 psig
pressure to inlet port to reset
vacuum switch
•
Red LED
Check for restrictions in the
discharge line. Ensure that the
tank valves and discharge
valves are open.
Remove restrictions in the high
side.
Recovery cylinder has reached
450 psi high pressure limit.
Replace with empty cylinder or
cool cylinder with water/ice
•
Green LED
Bad thermal overload
Call Bacharach for service
•
NONE
Circuit breaker is tripped
Reset circuit breaker
No power to the unit
Plug the unit into a 110-120 volt
power source
Fan Will Not
Start
•
Green LED
Defective fan
Replace fan
Obstruction in fan blades
Remove obstruction
•
NONE
System switch is off
Turn system and fan switch to
on position
Unit Starts But
Stops After a
Few Minutes of
Operation
•
LED Off
Evacuation is complete
Check inlet pressure, verify
vacuum level is at least 10"hg
If refrigerant remains in the
system, check for restrictions in
the suction line
Ensure all valves are open
•
Red LED
Liquid valve on dot cylinder
closed or outlet ball valve is not
open
Open the valves
Other restriction(s) in discharge
hose
Turn unit off.
Remove restriction
•
Green LED
Circuit breaker tripped due to
compressor stall
Reduce the inlet and/or outlet
pressure
The unit is too hot. Thermal
overload tripped
Let the unit cool down for 15
minutes
Circuit breaker tripped due to
too much pressure or liquid in
the system
Purge the system and continue
