TROUBLESHOOTING - NEPTUNE SPACE

VISOR FOGS
WARNING SIGNAL THAT MASK IS NOT POSITIONED CORRECTLY ON FACE!

• oralnasal mask positioned incorrectly or pinched
  
• oralnasal mask improperly seated—check that it is properly tucked around communication port and exhaust valve
  
• top harness straps pulled too tightly—loosen
  
• bottom harness straps not pulled tight enough

AIR LEAKS

• hair/hood trapped inside mask skirt
  
• sewing on hood—skirt will not necessarily seal on all hoods, especially if sewing on hood is where mask skirt fits
  
• straps pulled too tightly or improperly

REGULATOR FREE-FLOWS

• adjustment knob opened too much—regulate by closing knob in face-down position
  
• purge button has sand/pebbles stuck inside
  
• regulator needs servicing *
  
• 1st stage intermediate pressure not 140±3 psi / 9.5 » 9.8 bar

REGULATOR HARD TO BREATHE THROUGH

• adjustment knob closed too much—regulate by opening knob in face-down position
  
• aspiration knob pushed to "-" instead of "+"
  
• regulator needs servicing *
  
• 1st stage intermediate pressure not 140±3 psi / 9.5 » 9.8 bar

FFM VIBRATES

• harness straps not adjusted properly—tighten bottom straps
  
• adjustment knob opened too much
  
• Neptune Space adjustment too soft—make proper adjustment with adjustment tool *
  
• 1st stage intermediate pressure not 140±3 psi / 9.5 » 9.8 bar

CLAMPING BAND TEARS

• improper removal technique

* OCEAN REEF recommends that the regulator be serviced at least once a year, or after 100 dives. This should only be performed by an OCEAN REEF dealer or an authorized OCEAN REEF repair station which uses original spare parts. This also applies to any periodic serving and/or repairs required.

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