Effect Examine Reason Action
Safety valve is
opening
Is it spon-
taneously
opening
If yes, it
may be a 1st
stage error
Terminate
dive and have
the regulator
serviced
Immersed
in
water, small
bubbles are
coming from
the mouth-
piece
Do they
stop after
the regu-
lator is
rinsed
If yes, the
valve was
probably
jammed
with salt
crystals
Make sure al-
ways to rinse
the regulator
after every
dive, using
fresh water
Check the
cracking
pressure
(see sec-
tion 6.2)
If the crack-
ing pressure
is too low,
the valve
is slightly
opened
Have the
regulator cor-
rectly set by
an authorised
dealer
The bubb-
les remain,
cracking
pressure is
correct
The servo
valve is se-
verely jam-
med by salt
crystals
Have the
regulator
cleaned by an
authorised
dealer
The regula-
tor free flows
breaking the
surface
Check the
cracking
pressure
(see sec-
tion 6.2)
If the crack-
ing pressure
is too low, it
i n c r e a s e s
the risk for
free-flow
Have the re-
gulator cor-
rectly
set by
an authorised
dealer
If the re-
gulator hits
the surface
at a certain
attitude, it
can start a
free-flow
Either
im-
merse slowly,
keep regulator
in your mouth,
or hold your
hand over the
free mouth-
piece while
entering the
water
Leakages at
extremely cold
conditions
Incorrect
o-
rings
Have the regu-
lator serviced
by an autho-
rised dealer,
require o-ring
replacement
There is a
sound from
the regulator
The sound
is occur-
ring even
while
diving
Incorrect
lubricants
have been
used
Have
the regu-
lator correctly
lubricated by
an authorised
dealer
Gas vents from
2
nd
stage on
opening the
cylinder valve
Does it
stop within
1-2 se-
conds?
If yes, it is normal that max.
3 litres of air is used to en-
gage the servo-mechanism
If
no, the cracking pressure
is too low, which increases
the risk for free-flow
TROUBLESHOOTING
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