Maintenance And Care; Troubleshooting And Error Codes - DieHard 28.71341 Operator's Manual

6v/12v automatic battery charger & engine starter
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MAINTAINING A BATTERY
The 28.71341 charges and maintains
6 and 12 volt batteries, keeping them at
full charge.
NOTE: The maintain mode technology
allows you to safely charge and maintain
a healthy battery for extended periods of
time. However, problems with the battery,
electrical problems in the vehicle, improper
BATTERY CHARGING TIMES
CCA = Cold Cranking Amps
BATTERY SIZE/RATING
SMALL BATTERIES
Motorcycle, garden tractor, etc.
CARS AND TRUCKS
MARINE/DEEP-CYCLE
Times are based on a 50% discharged battery and may change, depending on age
and condition of battery.

12. MAINTENANCE AND CARE

A minimal amount of care can keep your
battery charger working properly for years.
• Clean the clamps each time you are
finished charging. Wipe off any battery
fluid that may have come in contact with
the clamps to prevent corrosion.
• Occasionally cleaning the case of the
charger with a soft cloth will keep the
finish shiny and help prevent corrosion.

13. TROUBLESHOOTING AND ERROR CODES

Error Codes
ERROR
CODE
The battery voltage is still under
10V (for a 12V battery) or 5V
F01
(for a 6V battery) after 2 hours of
charging.
The charger cannot desulfate the
F02
battery.
The battery was unable to reach
the "full charge" voltage.
F03
The connections to the battery
F04
are reversed.
The charger was unable to
keep the battery fully charged in
F05
maintain mode.
RC = Reserve Capacity
200-315 CCA
315-550 CCA
550-1000 CCA
DESCRIPTION
connections or other unanticipated
conditions could cause excessive current
draws. As such, occasionally monitoring your
battery and the charging process is required.
FAN OPERATION
It is normal for the fan to be on all the
time. Keep the area near the charger
clear of obstructions to allow the fan to
operate efficiently.
Ah = Amp Hour
CHARGE RATE/TIME
6-12 Ah
12-32 Ah
40-60 RC
60-85 RC
85-190 RC
80 RC
140 RC
160 RC
180 RC
• Coil the input and output cords neatly
when storing the charger. This will help
prevent accidental damage to the cords
and charger.
• Store the charger unplugged from the AC
power outlet in an upright position.
• Store inside, in a cool, dry place. Store
the clamps on their support posts, to
ensure they do not come into contact
with any metallic surface.
REASON/SOLUTION
The battery could be bad. Have it checked or
replaced.
The battery could not be desulfated; have it
checked or replaced.
May be caused by trying to charge a large battery or
bank of batteries on too low of a current setting. Try
again with a higher current setting or have the battery
checked or replaced.
The battery is connected backwards. Unplug the
charger and reverse the connections to the battery.
The battery won't hold a charge. May be caused
by a drain on the battery or the battery could be
bad. Make sure there are no loads on the battery. If
there are remove them. If there are none, have the
battery checked or replaced.
• 9 •
6A<>2A
1½-2½ h
2½-7 h
7½-9½ h
9½-12 h
12-23 h
12 h
18 h
20 h
22 h

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