T12 Service Information 9009917 (12-12)
4-33
TROUbLESHOOTING
batteries Failed to Charge
SteP
action
value(S)
yeS
no
1
•
key off
•
Check aC power supply
•
Is the rated aC supply voltage present?
Go to Step #2
Check aC
Supply Circuit
protection
2
•
key off
•
disconnect batteries
•
unplug charger from aC supply
•
Check charger fuse or circuit breaker (if equipped)
•
Is a fuse blown or circuit breaker tripped?
replace fuse
or reset
Circuit breaker
and Test Char-
ger operation
Go to Step #3
3
•
key off
•
Inspect battery and charger cables for damage, cor-
rosion, contamination or terminal problems
•
do any of the above conditions exist?
repair or re-
place battery
and/or Char-
ger Cables
Go to Step #4
4
•
Skip this step for sealed, aGm, or gel batteries
•
key off
•
disconnect batteries
•
Check water level of all battery cells
•
are the lead plates submerged?
Go to Step #5
add distilled
water until
Lead plates are
Covered .
5
•
key off
•
Load test all batteries (aGm, Gel, Lead-acid)
•
-or-
•
Test specific gravity of each cell using a hydrometer
or refractometer ((Lead-acid)
•
do the batteries pass a load test or are all battery
cells within 0 .050 (50 points) specific gravity of each
other?
replace bat-
tery Charger
replace
battery or bat-
teries
Terms:
aC = alternating Current
aGm = absorbed Glass mat
Specific Gravity = relative density of a substance compared to water (water = 1 .000 specific gravity)
Summary of Contents for EC-H2O T12
Page 8: ...1 4 T12 Service Information 9009917 12 12 SAFETY PRECAUTIONS...
Page 68: ...3 44 T12 Service Information 9009917 12 12 MAINTENANCE...
Page 132: ...4 64 T12 Service Information 9009917 12 12 TROUBLESHOOTING...
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