RFS APD-D Series Product Manual page 6

2.5 Installation Troubleshooting:
Symptom: POWER indicator flashing once per
second and compressor will not start.
Possible Solution: Check for correct input
voltage. The unit senses input voltage,
and it will not start if it is outside the
range of the specifications.
Symptom: Distribution system pressure is lower
than the configured upper operational
pressure immediately after unit active
operation stops.
Possible Solution: Check for flow restrictions in
the distribution system. All tube sizes
should be 3/8". Minimize tube lengths.
Make sure all valves are fully open.
Symptom: Distribution system pressure drops
quickly and continuously after active
operation stops.
Or duty cycle is more than 5%.
Or active operation occurs more often
than once every 48 hours.
Possible Solution: Check for leaks in the
distribution system.
Symptom: Distribution system pressure does
not increase during active operation.
Possible Solution: Check that the unit's output
fitting is connected to the distribution
system with a 3/8" tube. Check for leaks
in the distribution system.
Symptom: Run time alarm is issued before
distribution
configured upper operating pressure.
Possible Solution: Check for leaks in the
distribution system. Any leaks
increase the active operation run time.
Possible Solution: Run time to pressurize the
distribution system may have been
miscalculated. Please recalculate the run
time, record the unit's model and serial
numbers and contact RFS Support to
reconfigure the run time alarm.
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system reaches
Symptom: Run time exceeds 4 hours before
distribution
configured upper operating pressure.
Possible Solution: Check for leaks in the
distribution system. Any leaks
increase the active operation run time.
Possible Solution: Altitude of installation may
be too high. Verify model used is specified
for
installation.
Possible Solution: Distribution system volume
may be too large for the dehydrator
model installed. Please recalculate the run
time, record the unit's model and serial
numbers and contact RFS Support.
Symptom: Alarm monitoring system shows an
alarm but dehydrator alarm indicator not
illuminated. Or alarm monitoring system
shows no alarm but dehydrator alarm
indicator is illuminated.
Possible Solution: Check for correct alarm
monitor wiring. Both normally open (NO)
and normally closed (NC) connections are
supplied
connection will will reverse the alarm
logic.
Symptom: Log file is not written to USB device
when it is inserted and the power is
cycled.
Possible Solution: Verify that the USB device is
USB 2.0 compliant. Verify that the USB
the
device is formatted for the FAT32 file
system, and that it has only one active
partition. Verify that the USB device is not
full.
will
system reaches
operation at the
for each alarm.
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Revision C
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