Trouble

Reasons

Action

1

2

3

4

5

Switch does not turn on

No battery

The contacts are protected or rusted

The battery is expired

Polarity is wrong

Flooded battery compartment

Unit contacts are broken or corroded

Electronic failure

Insert the battery, remove the protection

Use a brand new battery

Remove battery and change polarity

Wash the battery compartment with fresh water – dry– protect contacts with silicone grease

Battery cover o-ring must be cleaned and sprayed with silicone oil or grease

DO NOT exceed screwing strength

SEND TO OCEAN REEF

SEND TO OCEAN REEF

6

Battery is hot

Polarity was wrong

Replace battery with proper position in the battery compartment

7

8

9

10

Flooded battery compartment

Wrong assembling of O-ring cover

Missing, cracked or dirty O- Ring

Broken battery cover

Broken GSM body

Broken battery cover screw inserts

Follow instructions at point 4

Replace O- Ring if needed

Replace battery cover

SEND TO OCEAN REEF

SEND TO OCEAN REEF

11

Unit has power but does not transmit

Environment conditions

Micro-bubbles in the water

Obstacles

Receiving unit is not working

Check the environment

Remove micro bubbles

Remove obstacles

Compare with other receiving units

12

Microphone fails

Check contacts

Check Hydroponics membrane

Check mic & Power continuity of mic

Clean them and spray protective silicone grease or oil

If broken, replace mic

If no continuity, replace mic

13

You hear the transmission “beep”, but there is no transmission

Battery is low

Defective receiving unit

Replace the battery

Check with another receiving unit

14

Electronic failure

SEND TO OCEAN REEF

15

You hear a low battery alarm beep when you start transmission

Battery has low voltage

Battery compartment may be flooded

Change batter

16

You press the transmission button, but after an alarm beep the unit resets to receiving only

Battery too low

Battery compartment flooded

Internal electronic failure

Change battery

17

18

Not clear communication - cannot understand

Wrong mic position inside of the mask or wrong connection of contacts

Failure of mic

Check mic position and contacts

Replace mic

19

Alarm beeps randomly after a certain depth

Electronic failure

SEND TO OCEAN REEF

20

21

No receiving only

Transceiver unit does not work

Speaker fails

Change transceiver unit

SEND TO OCEAN REEF

22

Transmission only, will not go back to receiving mode

PTT fails

SEND TO OCEAN REEF