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3. Trouble shooting
3.1 Trouble shooting table
LED indications
3.1 No mist produced Off Off Off
Check Power leads, Main switch and fuse on the
rear (T800L250)
3.2 No mist produced Off Off Off
Open device and check fuse F2 (T250L250)
3.3 No mist produced / fuse F2 checked On On On
Change chamber or transducer,
then turn on device again
3.4 No mist produced / chamber or transducer
changed
On On On
Open device check fuse F3 (T1L250)
if defective change board
3.5 No mist produced / power supply changed On On On
Set and test dry-running protection
3.6 Device works normally, no mist transported
to patient
Off On On
Open device, remove debris,
check fan for smooth turning
3.7 Device works normally, no mist transported
to patient / fan checked
Off On On
Open device, check power on fan if OK Change fan
3.8 Device works normally, no mist transported
to patient / fan checked / check power on fan
Off On On
Change PC board
3.9 Heated tubing won’t get warm, Device is
working normally
Off On On
check heated tubing and change if necessary
3.10 Heated tubing won’t get warm, Device is
working normally
Off On On
Open device, check fuse F1
if OK check relay 3 (Rel.3)
3.11 LED or push-buttons failure / display changed Off Off Off
Change display board
3.12 LED or push-buttons failure Off Off Off
Change PC board
Symptoms
Green Yellow
Action
Red
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