IDX-OM-V020
Chapter 6
Troubleshooting
6.1
Troubleshooting
IDFA60/70/80/90 Series
6-2
Problem
Possible causes
Action
Evaporation
thermometer
indicates higher
than green zone.
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 grill 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.
Moisture is
generated
downstream of the
compressed air line.
The bypass valve is open.
- Be sure to use the dryer with the bypass valve fully
closed.
Drain is not discharged from the
auto drain.
-Check that the drain tube is not trapped or bent.
- Check the auto drain.
- Ensure that the ball valve is opened.
- Keep the specified operating pressure range.
Large pressure fluctuation.
- Install an air tank.
- Avoid intermittent operation.
Residual drainage in the air dryer
splashes over when the unit is
re-started.
- Install a filter on the outlet of the air dryer.
- Blow the unit with air to eliminate the residual drain
after stopping or re-starting the operation.
The piping converges with piping
from a separate air line that does
not have an air dryer.
- Install an air dryer in the line that does not have one.
- Separate the two lines so they do not converge.
Large pressure drop
The valve in the inlet/ outlet of
dryer piping is not fully opened.
- The valve in the inlet/ outlet of the dryer has to be
fully opened.
The air filter in the compressed air
piping is blocked.
- Replace the filter element.
- Refer to the operation manual for used equipment.
Drain is not
discharged even
when rotating the
drain cock to ”O”
side of the manual
knob.
The drain cock exhaust outlet is
clogged.
- Remove the clogging by cleaning the bowl assembly
and blowing it with air.
Or replace the bowl assembly.
Summary of Contents for IDFA60-23-A
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