P.O. Box 1306, Newport Beach, California 92663 • Phone: 714-751-0488 • Fax: 714-957-1621 • E-Mail: techservice@newmarpower.com
www.newmarpower.com
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Problem Possible Cause Solution
B. Charger continues to charge
at 3 amps or more—does not
taper back
1. D.C. load connected to batteries drawing
current (not a problem condition)
2. Bad cell in one of the batteries to which the
charger is connected
1. Turn off main battery switch to D.C. electrical
panel or turn of all D.C. loads if you wish to confirm
charger will output minimal amperage to fully
charged batteries
2. Check for shorted cell in wet lead-acid batteries
using a hydrometer. Refer to manufacturer for testing
maintenance-free batteries
C. No charger output, even
when all connections have
been checked, A.C. is applied to
the charger, and a D.C. load is
applied to the batteries
Blown input or output fuse or other internal
defect
Return to servicing dealer for failure analysis or
contact NEWMAR for Return Authorization Number
D. Reverse polarity connection
has caused charger to have no
output
D.C. output fuse and other internal
components likely blown
Return to servicing dealer for failure analysis or
contact NEWMAR for Return Authorization Number
E. High voltage measured across
charger output terminals
1. Batteries not connected to charger. It
is normal to read 1/2 volt higher across
any output bank when no batteries are
connected.
2. Equalize function is activated
1. Check for tight connection of charging leads to
batteries
2. Check to verify proper installation and operation of
equalize timer
F. Charger will not stay in bulk/
absorption phase when re-
initialize button on remote panel
is pressed.
Batteries at or nearing full charge (not a
problem condition)
Verify proper operation by cycling A.C. off and on
(or press reinitialize button on optional remote panel)
then applying a large D.C. load
G. Charger outputs high current
for short period, shuts off. After
cooling, the cycle repeats itself.
Fan Failure Return to servicing dealer for failure analysis or
contact Newmar for RMA
Factory Contact Information
If a problem with your charger persists after you have applied the
above-outlined solutions, or if you have any questions about the
installation and proper operation of your charger, please contact
NEWMAR’s Technical Services Manager:
Phone: 714-751-0488 — From the hours of 7:00 A.M. to 4:30 P.M.
weekdays, P.S.T.
Fax: 714-957-1621 — Anytime
E-Mail: techservice@newmarpower.com — Anytime
We will be happy to consult with you to resolve any problem
you may have. If it appears the charger must be returned to the
factory for repair we will issue a Return Materials Authorization at
that time.
VIII) BATTERY CARE TIPS
Regular maintenance and proper care will assure you reliable
service from the most depended upon and sometimes most
neglected items, your batteries and battery charger. NEWMAR
battery chargers are designed to keep your batteries fully
charged but your batteries also need proper regular maintenance
to provide a maximum life of service.
ALWAYS READ AND FOLLOW THE BATTERY MANUFACTURER’S
INSTRUCTIONS
Battery Installation
Batteries must be securely mounted to prevent them from falling
over when the vehicle or boat is in motion. A loose battery can
do serious damage. Batteries should be mounted in a battery
box to contain any acid spill. Batteries give off a certain amount
of hydrogen gas when they are charging. When concentrated,
this gas is highly explosive. Therefore make sure they are in an
accessible place with adequate ventilation for any hydrogen gas
discharge.
Cleaning Batteries
Dirt and electrolyte salts can build up on the top of your batteries.
This accumulation conducts electricity stored in the battery and
can cause the battery to discharge by itself. Therefore, at least
twice a year, it is a good idea to disconnect the battery cables
and scrub the battery with a baking soda solution. Rinse with
fresh water and dry with a clean cloth.
You may wish to purchase a set of terminal post corrosion
prevention rings. These are alkali-saturated felt rings that slip
over the battery post to reduce corrosion. Do not apply grease to
any part of the battery terminals, but you may use an occasional
light spray of silicone lubricant.
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