2010-8403CE Rev C
10
September 2013
5.8. Troubleshooting.
Solutions
Check the cable connection.
Check the circuit breaker (5) on the
front of the unit; Reset if necessary.
Contact your equipment supplier.
Backup capacitor has discharged
operate unit for approximately 10
minutes and retest
Contact your equipment supplier.
Contact your equipment supplier.
Stop the device by pressing the
I/
O
(ON/OFF) button and contact
your equipment supplier.
Stop the device and contact your
equipment supplier.
Clean cabinet fi lter. Restart.
Clear blockage. Restart
Reset circuit breaker. If the device
does not start, contact your equip-
ment supplier.
Check that tubing connections are
secure and that the humidifi er is
sealed.
Straighten the tubing; contact your
equipment supplier if damaged.
Power cord is not correctly
plugged into the wall outlet.
Power failure.
Oxygen concentration is too
low.
Capacitor is not charged
Internal electrical fault.
Faulty indicator.
Pneumatic connection broken or
other pressure problem.
Internal electrical fault.
Pneumatic circuit fault.
Dirty Filters, blockage
Fan is not working.
Tube disconnected or
humidifi er cap is not tight.
Cannula tubing is restricted.
Observations
The
I/
O
(ON/OFF) button is in the
"I"
(ON) position but the device does not
operate.
The audible alarm sounds intermit-
tently.
Red light remains lighted.
The alarm test does not work.
See 5.4.1.
The compressor operates and the
I/
O
(ON/OFF) button is in the
"I"
(ON) position but the green indicator
is not lighted.
The
I/
O
(ON/OFF) button is in the
"I"
(ON) position but there is no fl ow.
The audible alarm sounds continu-
ously.
The
I/
O
(ON/OFF) button is in the
"I"
(ON) position, the compressor is
operating and there is a fl ow but the
audible alarm sounds continuously.
The compressor stops in mid-cycle,
then starts again after a few minutes.
The oxygen enriched air fl ow is inter-
rupted at the nasal cannula outlet.
The fl ow at the nasal cannula outlet is
irregular.
Maintenance Items
Cabinet Air Filter:
Ref: 8400-1025;
Wash weekly; Replace as needed.
Inlet Air Filter:
Ref: 8400-1180;
Inspect at each patient visit; Replace every 2 years.
Humidifi er Tube:
Ref: 8400-8409; Wash in warm water; Replace as needed.
Please record all maintenance activity on the Maintenance Log found in the Service Manual or online
at www.nidekmedical.com under the 'Maintenance Log' tab.
Possible Causes
