Troubleshooting - wigam EASYREC 120R100 Manuel D'utilisation

11.

Troubleshooting

PROBLEM
Fan does not run
After pressing the
START key, the
compressor
doesn't start but
the fan runs
The compressor
can't work
The compressor
starts but cuts
off within a
few minutes
Recovery
process is
too slow
The unit
doesn't pull
out a vacuum
CAUSE
1.Power supply cord is not connected
2.The circuit breaker has cut off
1.The unit is in high pressure shut off
(Red alarm light turns on)
2.The unit is under low pressure
protection (Green light turns on)
1.Output pressure is too high
2. Failure in the motor, or other
electrical components
1.High pressure shuts off due to wrong
operation, such as output valves of
the unit or recovery cylinder are not
open
2.Thermal protector is disconnected,
but axial fan still running
3.The recovery cylinder is full at 80%
capacity
4. Recovery is over and the unit is
under low pressure switching point
1.The pressure inside the recovery
cylinder is too high
2.The compressor seals are worn out
1.Connecting hoses are loose
2. There is a leakage in the unit
ACTION
1. Connect the power supply cord
2. Reset the circuit breaker when it's
cooling after 5 minutes
1. Reduce the system pressure
2. The input loop is blocked, reset
after eliminating troubles
3. Check if well connected
4. Turn the BY-PASS switch to the
restart position
1.Turn the INPUT valve to position
CLOSE and restart the unit
2. Factory service is required
1. Read carefully this operating
manual and follow the instructions,
2. The compressor will restart
automatically after the motor is
completely cooled
3. Take a new cylinder and then press
the START key to start the
compressor
4. Refer to step 4.2 k) and l), then
proceed with self-purge operation
1. Reduce the cylinder temperature
with the Recovery Cylinder Cooling
Method
2. Factory service is required
1.Tighten the connecting hoses
2. Factory service is required