DeVilbiss iFill 535D - Page 11

LT-1929
11
TROUBLESHOOTING
Symptom
(initial through 4 minutes) Possible Cause Remedy
(#8) When start button is pressed:
- the standby light goes off and
lling light comes on.
- the fan runs.
- the rotary and four-way valves are
cycling.
- after 10 seconds the compressor
does not run.
- after 20 seconds the unit stops
and alarms.
1. Compressor not connected to AC wire
harness.
1. Connect AC wire harness.
2. Capacitor wire not connected. 2. Connect AC wire harness.
3. Faulty capacitor. 3. Replace capacitor.
4. Faulty main PC board. 4. Replace main PC board.
5. Faulty compressor. 5. Replace compressor.
6. Faulty AC wire harness. 6. Replace AC wire harness.
(#9) When start button is pressed:
- the standby light goes off and
lling light comes on.
- the fan runs.
- the rotary and four-way valves are
cycling.
- after 10 seconds the compressor
runs.
- the intensier is not cycling.
- after 20 seconds the unit stops
and alarms.
1. 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)
1. Replace compressor.
2. Faulty four-way valve. 2. Replace four-way valve.
3. Faulty intensier. 3. Replace intensier.
(#10) When start button is pressed:
- the standby light goes off and
lling light comes on.
- the fan runs.
- the rotary and four-way valves
are cycling.
- after 10 seconds the
compressor starts.
- the intensier is cycling.
- after 70 seconds the unit stops
and alarms.
1. Three-way valve not connected at main PC
board.
1. Connect three-way valve wire harness.
2. System air leak (compressor tubing, sieve
beds, accumulator tank, bacteria lter, etc.).
2. Repair connection or leak.
3. Tubing not connected between the 3-way
valve and the top tting of the OSD.
3. Connect tubing to top OSD tting.
4. Faulty three-way valve or occluded orice in
valve.
4. Replace three-way valve.
5. Faulty main PC board. 5. Replace main PC board.
(#11) When start button is pressed:
- the standby light goes off and
lling light comes on.
- the fan runs.
- the rotary and four-way valves
are cycling.
- after 10 seconds the
compressor starts.
- compressor is struggling, PR
valve may pop off.
- intensier does not cycle.
- after 18-20 seconds the unit
stops and alarms.
1. Intensier hall effect board wires not
connected.
1. Connect DC wire harness to intensier
hall effect board.
2. Faulty main PC board. 2. Replace main PC board.
3. Faulty DC wire harness. 3. Replace DC wire harness.
4. Faulty intensier. 4. Replace intensier.
(#12) When start button is pressed:
- the standby light goes off and
lling light comes on.
- the fan runs.
- the rotary and four-way valves
are cycling.
- after 10 seconds the compressor
starts.
- unit stops and alarms just after
compressor starts.
1. Tubing from three-way valve to OSD faulty
(does not have small white mufer inside).
1. Install mufer in tubing between clamp
and valve.
2. Faulty main PC board. 2. Replace main PC board.
NOTE–After completing any repairs, ensure Hour Meter on the right cover is connected to the DC wire harness and the Control 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.
NOTE–Before returning to service, the iFill Station should undergo a Performance Test to ensure it is operating properly (refer to page 9).