Trouble Shooting - Refco RL-2 Manual De Instrucciones

Trouble shooting

Condition
Pump does not run on full
speed
Motor does not start at all
Motor drones but does not
run, Pump locked up
Motor runs ⇒ no perfor-
mance
Oil spillage on oil mist filter Pump overfilled with oil
Extensive oil mist from oil
mist filter
Oil not visible in sight glass Not enough oil in pump
Oil cloudy or dark
Not enough vacuum
Motor noisy
Pump loses oil
Possible problem
Oil temperature too low
Unsuitable oil – too thick
Pump dirty
Motor winding defective
The connection cable is
too long
Supply voltage is too low
Defective capacitor
Switch defective
Motor too hot
Cable defective
Oil heavily contaminated
Broken clutch pin
Pump pressure = atmosphe-
ric pressure
Contaminated oil
Gas ballast open
Loose cap on intake port
O-ring in the intake port cap
is faulty
Oil level too low
Oil is muddy (cloudy) or
contaminated
Pipe leaking
Pump is worn out after
lengthy use
Bearings worn out
Defective fan impeller
Defective ventilator
Leaking gasket of oil box
Oil draining screw leaking
Leaking gasket of sight glass Change sight glass
Leaking gaskets box screws
Leaking shaft seals
Solution
Put the pump in warmer
environment/room
Change with REFCO oil
Change oil
Call customer service
Use a shorter connection cable
Pump is designed to work at
+/- 10% of the supply voltage
Change capacitor
Call customer service
Replace switch
Let it cool down
Replace cable
Change pump head
Call customer service
Call customer service
Adjust oil to half level of
sight glass, drain additional oil
Oil mist will disappear as soon
as a certain vacuum has been
reached
Top up with oil
Change oil
Close gas ballast valve
Call customer service
Screw the cap on tightly
Replace O-ring
Refill oil
Change oil
Check pipe, seal it
Repair or replace pump
Call customer service
Change impeller
Replace ventilator
Change O-ring
Replace oil draining screw
Change gaskets of oil of screws
Call customer service
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