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problems during fill cycle
(after unit running longer than approximately 4 minutes run time.)
Symptom
(during fill - after 4 minutes)
(A) The unit runs for 11 minutes after
start up then shuts off and alarms .
- Note that if the OSD does not see
91% oxygen after 11 consecutive
minutes the unit shuts off and
alarms .
- (If unit is in warm up mode the
three-way click sound will not be
heard every 24 seconds)
(B) The unit shuts off and alarms prior
to filling a cylinder to 2,000 PSIG.
- Verify unit did not go back into
warm up mode for 11 consecutive
minutes per (A) above .
- The intensifier drive piston travels
slowly and or does not travel fully
as verified visually with magnet.
- (Similar to start up
Troubleshooting A, #9 but this
usually occurs during cylinder
filling at higher pressures)
(C) The unit shuts off and alarms prior
to filling a cylinder to 2,000 PSIG.
- The intensifier drive piston travels
to the end and sits there until unit
alarms . (See Troubleshooting A,
#7)
(D) The unit runs for an extended
period of time and does not fill a
cylinder or complete a normal fill
cycle . The unit does not alarm .
- Verify unit does not constantly go
in and out of warm up mode for
several minutes at a time, but not
for 11 consecutive minutes as in
(A) above .
–After completing any repairs, ensure Hour Meter on the right cover is connected to the DC wire harness and the Control
NOTE
Panel ribbon connector is connected to the main PC Board prior to installing the left cover. Also ensure magnet has been removed if
used to troubleshoot.
–Before returning to service, the iFill Station should undergo a Performance Test to ensure it is operating properly (refer to
NOTE
page 9).
LT-1929
T R O U B L E S H O O T I N G
trouBLesHooting cHart B
Possible Cause
1 . System air leak (compressor tubing, sieve
beds, accumulator tank, bacteria filter, etc.).
2 . Faulty OSD on main PC board .
3 . Faulty sieve beds .
4 . Faulty rotary valve .
5. Faulty compressor (low output flow).
1 . System air leak (compressor or four-way
valve tubing connections)
2 . Faulty four-way valve (internal leakage)
3 . Faulty compressor (verify faulty compressor
by using duck bill pliers to pinch the tubing
closed that comes from the compressor just
below the small DC power supply board . If
the compressor PR valve does not pop off
immediately, replace the compressor)
4. Faulty intensifier.
1 . DC wire harness not properly connected to
Intensifier hall effect board.
2 . Faulty or intermittent four-way valve .
3 . Faulty main PC board .
4 . Faulty DC wire harness .
5. Faulty intensifier.
1 . System air leak (compressor tubing, sieve
beds, accumulator tank, bacteria filter, etc.).
2 . Faulty sieve beds .
3 . Faulty rotary valve .
4. Faulty compressor (low output flow).
5. Faulty intensifier.
12
Remedy
1 . Repair or replace as necessary .
2 . Replace main PC board .
3 . Replace sieve beds .
4 . Replace rotary valve .
5 . Replace compressor .
1 . Repair or replace as necessary .
2 . Replace four-way valve .
3 . Replace compressor .
4. Replace intensifier.
1 . Reconnect DC wire harness to
intensifier hall effect board.
2 . Replace four-way valve .
3 . Replace main PC board .
4 . Replace DC wire harness .
5. Replace intensifier.
1 . Repair or replace as necessary .
2 . Replace sieve beds .
3 . Replace rotary valve .
4 . Replace compressor .
5. Replace intensifier.
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