SMC Networks IDFA60-23-A, Manual, Page: 27 / 54

IDX-OM-V020
Chapter 6 Troubleshooting
IDFA60/70/80/90 Series 6.1 Troubleshooting
6-1
Chapter 6 Troubleshooting
6.1 Troubleshooting
Refer to the table below if any abnormality is found. If there is something that is not clear, please turn off the power
supply and contact our service office.
Problems Possible causes Action
Air dryer does not
operate and the
running lamp does
not turn on, even
when the switch is
ON. Power cord is loose or not
connected. - Connect the cord correctly.
The earth leakage breaker is OFF. - Please check the earth leakage breaker capacity.
- Turn on the earth leakage breaker.
If the breaker keeps turning off, please shut off the
power supply and contact our service office. Air dryer
insulation failure is possible.
Remote operation signal is OFF.
( For option T )
- Check the condition of remote operation signal.
The lamp goes off
and the operation
stops.
(Protection circuit
is activated. Reset
the protection
circuit referring to
6.2 Reset the
Thermal relay and
High Pressure
Switch).
Poor ventilation in installation
location.
Ambient temperature is too high
- Keep the ambient temperature low by ventilation.
Ventilation grille is obstructed by a
wall or blocked with dust. - Install so that the ventilation grill is 600mm or more
away from the wall.
- Clean the ventilation grille every month.
Compressed air temperature is too
high. - Improve the ventilation condition of the air
compressor or lower the ambient temperature to
decrease the discharge air temperature of the air
compressor.
- Install an aftercooler after the air compressor to
reduce the temperature.
Large voltage fluctuation. - Install the power transformer or revise the power
supply for correct voltage.
(Temporarily allowable fluctuation of the power
supply voltage is /-10% of rated voltage)
Operation stops
after a while.
Operation lamp is
ON.
(Overload relay of
the compressor for
refrigeration was
activated. Turn of
the switch with
lamp and wait until
the overload relay
is automatically
recovered).
Poor ventilation in installation
location.
Ambient temperature is too high.
- Keep the ambient temperature low by ventilation.
Ventilation grille is obstructed by a
wall or blocked with dust. - Install so that the ventilation grill are 600mm or more
away from the wall.
- Clean the ventilation grille every month.
Compressed air temperature is too
high. - Improve the ventilation condition of the air
compressor or lower the ambient temperature to
decrease the discharge air temperature of the air
compressor.
- Install an aftercooler after the air compressor to
reduce the temperature.
Large voltage fluctuation. - Install the power transformer or revise the power
supply for correct voltage.
(Temporarily allowable fluctuation of the power
supply voltage is /-10% of rated voltage)
Restarted operation within 3
minutes after operation stopped.
- Restart operation after 3 minutes passed.