GAMMA-ALPHA 2010 Owner’s manual rel.1.0 october 2010
13
TROUBLESHOOTING
Problem
Probable cause
What to do
The unit does not turn on
Low battery
Recharge the batteries
The underwater unit does
not receive
Power turned off
Flooded underwater unit
The surface diver cable is
not attached to the
surface unit
Turn on the surface unit
Return to surface, rinse in fresh
water and send to Neptune service
center
Check the surface unit jack
connection
Surface is not receiving
audio signal
Volume too low
Power turned off
Flooded microphone on
underwater unit
Underwater unit not
working
Raise volume on the surface audio
and check the power
Turn on the surface unit
Return to surface, rinse in fresh
water, replace mic
Return to surface, rinse in fresh
water and send to Neptune service
center
Whistle noise
Defect in the alarm
system
Return to surface, rinse in fresh
water and send to Neptune service
center
Alarm system not
working
Defect in the underwater
unit button
Defect in surface unit
alarm system
Return to surface, rinse in fresh
water and send to Neptune service
center
Return to surface and send to
Neptune service center
