Alarm Explanation How to resolve the alarm?
Decompression ceiling
broken by more than 0.6 m
(2 ft) on a decompression
dive.
Descend deeper than the
displayed ceiling value.
Partial pressure of oxygen
exceeds the maximum level
(>1.6).
Immediately ascend or
change to a gas with lower
oxygen percentage.
Partial pressure of oxygen
exceeds the set level for the
gas.
Immediately ascend or
change to a gas with lower
oxygen percentage.
Central Nervous System
(CNS) Oxygen Toxicity level
at 80% or 100% limit.
Switch to a gas with a lower
ppO2 or ascend shallower
(within decompression
ceiling).
80% or 100% of
recommended daily limit for
OTU reached.
Switch to a gas with a lower
ppO2 or ascend shallower
(within decompression
ceiling).
Tank pressure is below 50
bar (725 psi).
Change gas to a higher
tank pressure or ascend to
safety stop depth and
terminate dive.
Depth exceeds the
maximum depth (60 m) your
watch should be used at. If
diving beyond 60 m, the
dive computer will not show
accurate depth value or
algorithm info.
Ascend to a shallower
depth and follow computer
for ascend profile. Monitor
for symptoms of DCS. Use
extra conservatism for
future dives.
Not inside the safety stop
window.
Stay within the safety stop
window 3 m – 6 m.
Suunto Ocean
50
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