ECOsaver V240SP
24
BEFORE REQUESTING REPAIR OR SERVICES
Symptom
Cause
Solution
The machine will
not start.
① The power cord is not plugged in.
① Plug in the power cord.
② The safety cable is not connected.
② Connect the safety cable.
③ The suction side is in vacuum or the
low pressure switch is faulty.
③ Make the suction side to positive
pressure.
Replace the low pressure switch.
④ The machine is in high pressure shut
off.
④ Reduce the pressure in the high
pressure line.
⑤ The breaker tripped. (the lamp of the
power switch is not on.)
⑤ Set the power switch to the “OFF”
position and set it again to the “ON”
position after a while.
⑥ The thermal protector operated due to
overheating of the motor.
⑥ Wait until the motor cools down.
⑦ The cylinder is full.
⑦ Replace the cylinder.
⑧ The float sensor of the cylinder is
faulty.
⑧ Repair
⑨ The motor was burned.
⑨ Repair
⑩ The compressor is locked.
⑩ Repair
⑪ Wiring disconnection
⑪ Repair
⑫ The high pressure switch is faulty.
⑫ Repair
The machine
stops soon after
starting.
① The liquid valve of the cylinder is
closed.
① Open the liquid valve of the cylinder.
② The pressure in the cylinder is high.
② Cool down the cylinder or use Cooling
Unit.
③ The hose has a core depressor.
③ Remove the core depressor of the
hose.
④ The ball valve of the hose is closed.
④ Open the ball valve of the hose.
The recovery
speed is slow or
the machine will
not recover.
① The built-in strainer is clogged.
① Clean or replace the built-in strainer.
② The pressure in the cylinder is high.
② Cool down the cylinder.
③ The piston seal is worn out.
③ Repair
④ The cylinder valve is damaged.
④ Repair
⑤ The hose has a core depressor.
⑤ Remove the core depressor in the
hose.
⑥ The refrigerant in the system is
frozen.
⑥ Perform liquid recovery after melting.
The suction
pressure is
extremely low.
① The connecting part or the hose of the
suction side is clogged.
① Remove the cause of clogging (replace
the hose gasket).
② The strainer is clogged.
② Clean or replace the strainer.
③ The manifold valve of the suction side is
throttle back on the flow too much.
③ Regulate the valve again.
The discharge
pressure is
extremely high.
① The liquid valve of the cylinder or
the discharge valve of the recovery
machine is closed.
① Open the valve completely.
② The cylinder has air inside.
② Release the air from the vapor port
little by little until the saturated
temperature conforms to the saturated
pressure.
③ Air enters from the suction side (the
nut is loose).
③ Tighten the connection at the suction
side.
④ The temperature (inside pressure) of
the cylinder is high.
④ Cool down the cylinder or replace the
cylinder.
⑤ The pressure gauge is faulty.
⑤ Repair
Refrigerant
leaks from
the recovery
machine.
① The safety valve opened.
① Close the valves of the suction and
discharge ports of the recovery
machine and wait until the pressure
drops.
② Loose flare connection or damage of
the copper tubes.
② Repair
Abnormal
noise from the
compressor
① Liquid slugging
① Throttle the valve of the suction side.
② Oil slugging
② Install an oil separator between the
system and the recovery machine.
③ The compressor is damaged.
③ Repair
BEFORE REQUESTING REPAIR OR SERVICES
