12V.D.C. SYSTEM TROUBLESHOOTING GUIDE
TO POWER PANEL: TURN ON "D.C. MAIN" BREAKER ON HOUSE BATTERY SWITCH PANEL, IT IS NOT
NECESSARY TO TURN HOUSE BATTERY SWITCH SWITCH ON.
IF NO POWER TO PANEL, CHECK 300 AMP IN-FUSE AT THE HOUSE BATTERIES.
COMPONENT
SYMPTOM
POSSIBLE SOLUTION/S
PANEL LIGHTS
PANEL WON'T ILLUMINATE
SEE "TO POWER PANEL" ABOVE
BATTERY TERMINALS CLEAN?
SEEK QUALIFIED PERSONELL
CABIN LIGHTS
WON'T ILLUMINATE
SEE "TO POWER PANEL" ABOVE
BULB/S NEED REPLACING?
COURTESY LIGHTS WON'T ILLUMINATE
SEE "TO POWER PANEL" ABOVE
BULBS/S NEED REPLACING?
COCKPIT LIGHTS
WON'T ILLUMINATE
SEE "TO POWER PANEL" ABOVE
BULBS/S NEED REPLACING?
WATER PUMP
NO POWER
SEE "TO POWER PANEL" ABOVE
CYCLES ON/OFF EXCESSIVELY
FAUCETS OFF? LEAK IN SYSTEM SEE
PAGEC 57A FOR CONNECTION LOC.
SUMP PUMP
WON'T PUMP WHEN SUMP BOX FILLED
SEE "TO POWER PANEL" ABOVE
(PUMP WON,T QUIT RUNNING)
IS FLOAT SWITCH STUCK?
PUMP MAKES NOISE, DOESN'T PUMP
DEBRIS IN PUMP IMPELLER?
PUMP RUNS BUT DOESN'T PUMP
DISCHARGE HOSE CLOGGED?
STEREO
WON'T TURN ON
SEE "TO POWER PANEL" ABOVE
CHECK INLINE FUSE BEHIND STEREO.
ANC., ST., DECK, &
WON'T ILLUMINATE
SEE "TO POWER PANEL" ABOVE
RUNNING. LIGHTS
CHECK CONNECTIONS IN ACCESS PANEL
AT TOP OF COMPRESSION POST
BULBS NEED REPLACING?
INSTRUMENTS
REPEATERS DON'T OPERATE
SEE "TO POWER PANEL" ABOVE
DO TRANSDUCERS NEED CLEANING?
SEE "INSTRUMENTS" MANUAL
V.H.F. RADIO
WON'T OPERATE
SEE "TO POWER PANEL" ABOVE
RADIO TURNED ON?
TURNS ON WON'T TRANSMIT/RECEIVE
ANTENNA CONNECTED PROPERLY?
WINDLASS
UP/DOWN CONTROLS DON'T OPERATE
SEE "TO POWER PANEL" ABOVE
WINDLASS
IS RESET "TRIPPED" ON WINDLASS
RESET PANEL?
OPT. AUTO PILOT
WON'T OPERATE
SEE "TO POWER PANEL" ABOVE
WON,T HOLD STEADY COURSE
IS THERE ANY METAL OBJECTS NEAR THE
FLUX GATE COMPASS LOCATED IN THE
CENTER BILGE COMPARTMENT?
CONSTANTLY ADJUSTING HELM
SENSITIVITY SETTING SET TO HIGH, SEE
"AUTO PILOT MANUAL" FOR SENS. ADJ.
MACERATOR/S
WON'T TURN ON
SEE "TO POWER PANEL"
RUNS BUT DOESN'T DISCHARGE
IS DISCHARGE SEACOCK OPEN?
IS WASTE DECK FITTING SECURE, IS
IT PULLING AIR THRU? IF SO, TIGHTEN CAP
OR REPLACE 0- RING ON CAP.
IS TANK VENT (HULL FITTING) CLOGGED?
SEE PAGE 60 FOR LOCATIONS
PUMP MAKES NOISE, DOESN'T PUMP
LODGED DEBRIS,
TURN OFF POWER
TO
PUMP, INSERT SCREWDRIVER INTO
PUMP ARMATURE AT END OF PUMP AND
TURN TO DISLODGE DEBRIS
NOTE: COMPONENT/S FAILURE COULD ALSO BE THE RESULT OF A POOR "GROUND" CONNECTION. SEE
GROUND SYSTEM LAYOUT. DUE TO VIBRATION, WEATHER CONDITIONS, ECT. OCCASIONAL INSPECTION,
CLEANING AND TIGHTENING OF THESE TERMINALS (BY QUALIFIED PERSONELL) MAY BE NECESSARY.
PAGE 63A-10
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