Beta Marine Beta 50 Operator's Maintenance Manual page 46

Problem: Battery quickly discharges
Possible Cause
High load and insufficient running:
Low electrolyte level:
Fan belt slipping - black dust in engine compartment,
engine compartment temperature too high:
Alternator defective:
Battery defective:
Poor wiring connection:
Problem: Morse control cable will not fit
Possible Cause
Incorrect fitting:
Problem: Panel rev counter not working (when fitted)
Possible Cause
No W connection to alternator:
Wiring fault:
Solution
Reduce load or increase charging time. Large domestic
battery banks subject to high electrical loads will take a
considerable time to recharge from a single alternator.
Top up.
Adjust tension/replace belt with a high temperature
type and/or improve engine compartment ventilation.
Check with dealer or service agent.
Replace.
Check wiring system.
Solution
Cables are being fitted the wrong way around,
switch over and fit the opposite way.
Solution
Check output from 'W' connection. Should be about 9V AC.
Check circuit.
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