Troubleshooting - DeVilbiss SleepCube Gebrauchsanleitung

8. Troubleshooting

Symptom Action (for symptoms listed at left, follow the
Blower 1. Remove the cover. See Service Instruc-
does not tions.
start when
2. Search for disconnected wire harnesses
powered
and reconnect, if needed.
up
3. Determine if fuses are open.
E03, E04,
Without AC power to the unit, measure
or E07
the resistance across the F1 fuse with an
errors
ohmmeter. If 0.0 to 0.5 ohms of resistance
display
are not present across the fuse, the fuse is
OR display
open and the power supply board should
is blank
be replaced. See Service Instructions.
Without AC power to the unit, measure
the resistances across the F2 and F3 fuses
with an ohmmeter. If 0.0 to 0.5 ohms of
resistance are not present across either
fuse, the fuse is open and the PC control
board should be replaced. See Service
Instructions.
4. If all fuses are closed, install a blower
known to operate properly, see Service
Instructions, and power up the unit.
If the new blower operates properly,
replace the old blower.
If the new blower does not operate prop-
erly, replace the control board. See Service
Instructions.
5. Replace the cover. See Service Instruc-
tions.
E01 Replace the control board
error code
displays
Blower is 1. Remove the cover and control board. See
loud Service Instructions.
2. Inspect the assembly of the foam, blower,
and silicone isolator. See Blower Replace-
ment instructions for correct placement.
3. Inspect the blower for visible space be-
tween the blower halves and press halves
back together, if needed.
4. If the assembly is not correct, reassemble
the components.
5. If assembly is correct, replace the blower.
See Service Instructions.
6. Replace the control board and cover. See
Service Instructions.
steps listed below)
Symptom Action (for symptoms listed at left, follow the
Pressure 1. Remove the cover. See Service Instruc-
out of tions.
tolerance
2. Search for disconnected, occluded, or
kinked tubing on the pressure sensor or
(Pressure ±
chassis. Correct any issues.
1.0 cmH O
2
3. Search for damage to any foam pieces
of setting)
and/or tubing and replace the compo-
nent, if damaged.
4. Remove the control board. See Service
Instructions.
5. Search for signs of water damage to the
blower assembly, pressure sensor and
replace the component, if damaged.
6. Inspect the blower. If a space is visible
between the top and bottom sections,
press the halves together to eliminate the
space.
7. Repeat the pressure test.
8. If the pressure remains out of tolerance,
re-calibrate the unit. See Service Instruc-
tions.
9. If the pressure remains out of tolerance,
replace the control board. See Service
Instructions.
10. Replace cover. See Service Instructions.
Calibration 1. Remove the cover. See Service Instruc-
failure– tions.
Error code
2. Search for damage, and/or loose con-
E95
nections, on the air intake fi lter, intake
foam components, and all internal tubing
Display on
and replace or reconnect components, if
terminal
needed. Search for disconnected, occlud-
program
ed, or kinked tubing on the pressure sen-
during
sor and chassis and reconnect or replace
calibration.
tubing, if needed.
3. Remove the control board. See Service
Instructions.
4. Search for signs of water damage to the
blower assembly, pressure sensor and
replace, if damaged.
5. Inspect the blower. If a space is visible
between the top and bottom sections,
press the halves to eliminate the space.
6. Repeat Manual Calibration Procedure.
7. If the error codes are not resolved, replace
the control board. See Service Instruc-
tions.
8. Replace the cover. See Service Instruc-
tions.
EN
steps listed below)
LT-2026
15