Yamaha CE50T Service Manual page 176

E.EoI_ !s,ooAL S,STEM D
TROUBLESHOOTING CHART
SIGNAL SYSTEM SHOULD BECOME
INOPERATIVE.
Fuse inspection:
1. Remove fuse.
2. Inspect fuse using Pocket Tester 1YU-
03112).
No
continuity
___ _1 "_e0'acef_se. N
Continuity
Battery fluid level inspection:
Fluid level should be between upper (_ and
lower _ level mark.
Incorrect
oRefill battery fluid.
Refill with distilled water on-
ly; tap water contains minerals
harmful to a battery.
Correct
Dirty or poor
I I connection L
Check battery terminals. _ oClean battery terminals using
I -
wire brush.
NOTE:
After cleaning terminals, apply
OK grease lightly to both terminals.
• Connect battery leads correctly.
7
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