User manual

Poseidon MKVI User Manual Appendix 1
Page 79
T# Time (sec) Description Error Code Solution
55
54
Service Interval. This test ensures that the rebreather has been
properly serviced within the past two years (104 weeks). The
number of weeks remaining until servicing is required is shown
in the lower-right corner of the primary display, where the
elapsed dive time is normally shown.
Open-Circuit Regulator Check. This test ensures the proper
function of the integrated open-circuit. To pass the test, place
the mouthpiece in the open-circuit position and take several
breaths from the regulator. After an appropriate pressure drop
in the diluent cylinder has been detected, the test completes.
10
120
81=Servicing
Required
0=Timeout
Contact an authorized Poseidon Service Center for servicing.
1) Ensure that the mouthpiece is FULLY in the OC position (sometimes
requires rm pressing on the mouthpiece lever); 2) Ensure several breaths
are taken from the integrated open-circuit regulator within the time allowed
to complete this test; 3) Contact an authorized Poseidon Service Center for
servicing.
77=Not in CC
Mode
1) Ensure that the mouthpiece is FULLY in the CC position (sometimes
requires rm pressing on the mouthpiece lever), and that the HUD is properly
positioned on the top of the mouthpiece.
69=Secondary
Dil. Low
70=Secondary
Dil. High
74=Secondary
O2 Low
75=Secondary
O2 High
1) Ensure Diluent and Oxygen cylinders have the correct oxygen percent-
age; 2) Make sure that you have connected the oxygen- and diluent tanks to
the correct connection on the pneumatic block; 3) Replace Primary oxygen
sensor with a known good sensor; 4) Ensure CO
2
absorbent cartridge is
installed correctly; 5) Ensure breathing loop temperature is within range
limits; 6) If test failure persist, contact an authorized Poseidon Service Center
for repair.