
O2ptima Manual –User Guide – Rev 1.2 Page 26 of 26
__________________________________________________________________
Proprietary Information - Not to be released without written authorization
Asseer & Associates, 5609 Power Road, Ottawa, Ontario, K1G 3N4
Troubleshooting
Issue / Problem Solution
Positive and/or negative pressure tests can
not be preformed
• Ensure all fittings are secured.
• Ensure DSV is fully closed.
• Ensure over pressurization valve is
fully closed.
• Spray all connections with soap and
water mixture. Fill breathing loop
and inspect for small bubbles.
Tighten any loose connections.
Oxygen cell calibration
• Ensure the loop is flooded with
100% O2.
• Verify that each cell is producing
over 40 mV.
• Verify wiring harness and clean all
connections on the harness and
connection block.
Handsets are in dive mode at the surface
• Verify that the proper sea level has
been set on the unit.
• Verify that the pressure transducer is
clear of any dirt or accumulated salt
deposit due to improper rinsing.
Handsets reset to start up screen
• Change batteries.
• Verify cap and spring for any
accumulated residue.
• Verify the bottom of the battery
compartment for any accumulated
residue.
Comentarios a estos manuales