System Troubleshooting Guide; Table 3-2. System Troubleshooting Guide - CAIRE SAROS 4000 Service Manual

Service Manual
SYMPTOM
SAROS does not power on
when ON/OFF button is pressed
(constant tone)
No Oxygen
Low Oxygen Concentration
Low Oxygen Flow
No Oxygen delivered in
Pulse Flow Mode
Battery Status Gauge never indi-
cates fully charged
Heat related failures, i.e.
Compressor too hot
Battery will not latch onto SAROS
Oxygen production is limited due to
power limitations

3.1 SYSTEM TROUBLESHOOTING GUIDE

PROBABLE CAUSE
No Battery installed
Battery is discharged or no external
power is present
Other
Air Inlet or HEPA Filter Blocked
SAROS not ON
Tubing or cannula is not properly con-
nected or is kinked
Other
Restriction in tubing
Air Inlet or HEPA Filter restricted
Inadequate Ventilation
Hot environment
Other
Restriction tubing
Air Inlet or HEPA Filter Blocked
Other
Tubing/cannula longer than 7 feet (2.1m)
No inspiration detected
Battery is aging
Ambient condition is too hot
Battery Latching Pin Release is stuck in
the wrong position
External power source cannot supply
enough power

Table 3-2. System Troubleshooting Guide

REMEDY
Install Battery or plug into external power
Plug into external power
Contact an authorized Service Technician
Clean Air Inlet Filter or replace HEPA Filter
Power SAROS ON
Check tubing, cannula and connections
Contact an authorized Service Technician
Repair or replace tubing.
Clean air inlet filter or replace HEPA Filter. Place
your SAROS so there is adequate air flow.
Place your SAROS so that there is adequate air
flow, i.e. not covered by a blanket or a poncho.
Allow SAROS to cool
Contact an authorized Service Technician
Repair or replace tubing.
Clean Air Inlet Filter or replace HEPA Filter
Contact an authorized Service Technician
Attach 7 foot (2.1m) tubing/cannula
Contact an authorized Service Technician
Contact an authorized Service Technician to
replace Battery
Place unit in cool environment or out of direct
sunlight, if possible.
Press the Latching Pin Release Button inward to
free the latch mechanism and re-install Battery
Check air inlet filter and check the external
power source
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