Error Conditions - Suunto COBRA Quick Reference Manual

3.9. ERROR CONDITIONS

The dive computer has warning indicators that alert the user to react to certain
situations that would significantly increased risk thew of DCI. If you do not
respond to its warnings, the dive computer will enter an Error Mode, indicating
that the risk of DCI has greatly increased. If you understand and operate the
dive computer sensibly, it is very unlikely you will ever put the instrument into
the Error Mode.
OMITTED DECOMPRESSION
The Error Mode results from omitted decompression, i.e. when you stay above
the ceiling for more than three minutes. During this three-minute period the Er
warning is shown and the audible alarm beeps. After this, the dive computer
will enter a permanent Error Mode. The instrument will continue to function
normally if you descend below the ceiling within this three-minute period.
Once in the permanent Error Mode only the ER warning is shown in the center
window. The dive computer will not show times for ascent or stops. However,
all the other displays will function as before to provide information for ascent.
You should immediately ascend to a depth of 3 to 6 m [10 to 20 ft] and remain at
this depth until air supply limitations require you to surface.
After surfacing, you should not dive for a minimum of 48 hours. During the
permanent Error Mode, the Er text will be displayed in the center window and
the Planning Mode will be disabled.
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