Air Dryer
5 Troubleshooting
5-1 Cause and countermeasure of errors
5 - 1
IDX-OM-I076
IDFA Series
5 Troubleshooting
5-1 Cause and countermeasure of errors
Should any problem occur, inspect the following table, and if the problem cannot be solved, shut off the power
supply and then contact an SMC authorized dealer for further instructions.
Trouble
Possible cause
Remedy
Although the
switch with lamp
is turned on, the
lamp does not
light up and the
product does not
start operating.
The power supply cable has been
loosened or disconnected.
- Reconnect it firmly.
The ground fault circuit
interrupter is not turned on.
Check the capacity of the ground fault circuit interrupter.
- Check the product was not restarted within 3 minutes after
being stopped.
- Turn on the ground fault circuit interrupter and try to
operate.
If the ground fault circuit interrupter turns back off, the
insulation failure of the product is suspected. Turn off the
power supply and contact SMC.
Running lamp
extinguishes
and compressor
stops during
operation but
resumes normal
operation
illuminating the
lamp after
aperiod of time.
The product is installed in an
inappropriate location.
Ambient temperature is excessive.
- Improve ventilation condition and reduce the ambient
temperature as much as possible.
- Reset the protective circuit by referring to
“5-2 How to
reset the thermal relay and high pressure switch.
”
The ventilation port is obstructed by
a wall or clogged with dust.
- Keep the product 600mm or more away from the
surrounding walls.
- Clean the ventilation ports once every month.
- Reset the protective circuit by referring to
“5-2 How to
reset the thermal relay and high pressure switch.
”
The compressed air temperature is
too high.
- Improve the ventilation in the location where the air
compressor is installed, or decrease the ambient
temperature to allow the discharge air temperature of the
air compressor to go down.
- Install an aftercooler after the air compressor to reduce the
temperature.
- Reset the protective circuit by referring to
“5-2 How to
reset the thermal relay and high pressure switch.
”
The fluctuation of the power supply
voltage is too large.
- Install a power supply transformer or use a different power
supply to provide appropriate voltage.
- The fluctuation of the power supply voltage should be kept
/-10% of the rated voltage.
- Reset the protective circuit by referring to
“5-2 How to
reset the thermal relay and high pressure switch.
”
