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SECTION 4—TROUBLESHOOTING
Platinum™Series 24 Part No 1110538
NOTE: On models manufactured after 12/02, the error code displayed on the internal status
indicators is maintained in memory to aid in repairs. The error code MUST be cleared from the
unit's memory after fixing the fault. The error code memory will be cleared after turning power on
and off five times after the fault was detected.
OXYGEN PURITY:
Good
Internal Status Indicators:
Control Panel Indicators:
RED: Off
YELLOW: On
GREEN: On
After 30 minutes of
run time, unit operates
normally, oxygen purity
within normal range.
GREEN or YELLOW
panel indicator should
illuminate.
P.C. board defective. Replace P.C. board. Refer to Replacing P.C.
Board on page 66. Unit may need retiming
after P.C. board replacement. Refer to
Timing the Platinum 5, XL, and 10
Concentrators on page 85.
UNIT NOT
OPERATING,
INTERNAL STATUS
INDICATORS:
RED: Off
GREEN: Off
Control Panel Indicators:
RED: Off
YELLOW: Off
GREEN: Off
Power Switch ON.
Continuous audible
alarm.
Transformer assembly:
a. Assembly connector disconnected.
b. Faulty transformer assembly.
a. Reattach connector.
b. Replace transformer assembly. Refer
to Replacing Transformer Assembly
on page 68.
UNIT OPERATING,
INTERNAL STATUS
INDICATORS:
RED: Three (3) Flashes
GREEN: One (1) Flash
CONTROL PANEL
INDICATORS:
RED: Off
YELLOW: Flashing
GREEN: On
Internal repairs required. Replace SensO
2
circuit board. Refer to
Replacing P.C. Board
on page 66.
Low-Flow Alarm does
not activate on flows less
than 0.5 L/min.
NOTE: This feature was
added on units
manufactured after
November 2002. These
units can be identified by
a single beep on start up.
System leak. Repair leak in product tank, regulator,
tubing, fittings, or flow meter.
Defective check valves. Replace check valves. Refer to Replacing
Check Valves on page 56.
SYMPTOM PROBABLE CAUSE SOLUTION