OTS Aquacom MK2-DCI User Manual page 14

TROUBLESHOOTING FOR MK2-DCI
PROBLEM
No Power
Power only for a short
time when power switch
is turned on
No diver voice
No tender voice
PROBABLE CAUSE
Battery exhausted
Battery leads loose
Defective ON/OFF
switch
Board connector not
making contact
Open circuit on board
Defective boot circuit
Defective CPU chip
Loose connection at
ribbon lead connector
Board connectors
loose
Defective PCB
Defective speaker
ON/OFF switch
Defective volume
controls
Defective panel
speaker
Defective pre-amp
chip
Defective relay
PTT logic circuits
defective
Defective board
Defective relay
REMEDY
Replace battery
Check battery
connectors
Change switch
Clean pins
Repair or replace board
Repair or replace
board
Replace CPU or
replace board
Check connector;
clean or reconnect
Clean pins and
reconnect
Replace board
Replace switch
Replace control
Replace speaker
Replace
Replace
Repair or replace
board
Replace
Replace
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