Specifications

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