SS300 Service Information (3-2017)
55
TROUBLESHOOTING
BATTERIES FAILED TO CHARGE/ REDUCED RUN TIME (OFF BOARD CHARGER)
STEP
ACTION
VALUE(S)
YES
NO
1
•
Key On
•
Is there an LCD fault present on the Off Board
Charger?
See “Off Board
Battery Char-
ger Faults” in
the
TROUBLE-
SHOOTING
section of this
manual
Go to Step #2
2
•
Key Off
•
Check AC power supply
•
Is the rated AC supply voltage present?
Go to Step #3
Check AC
Supply Circuit
Protection
3
•
Key Off
•
Inspect battery and charger cables for damage,
corrosion, contamination or terminal problems
•
Do any of the above conditions exist?
Repair or Re-
place Battery
and/or Charger
Cables
Go to Step #4
4
•
Skip this step for sealed or AGM batteries
•
Key Off
•
Disconnect batteries
•
Check water level of all battery cells
•
Are the lead plates submerged?
Go to Step #4
Add Distilled
Water Until
Lead Plates
are Covered.
5
•
Key Off
•
Load test all batteries (AGM or Lead-Acid)
•
-or-
•
Test specific gravity of each cell using a hydrom
-
eter or refractometer ((Lead-Acid)
•
Do the batteries pass a load test or are all bat-
tery cells within 0.050 (50 points) specific gravity
of each other?
Replace Bat-
tery Charger
Replace
Battery or
Batteries
Terms:
AC = Alternating Current
AGM = Absorbed Glass Mat
Specific Gravity = Relative density of a substance compared to water (water = 1.000 specific gravity)
