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COOLING FAN

A built-in cooling fan helps to keep the charger cool during operation. This will help extend the service life of the charger,

and allow it to function more accurately and efﬁ ciently. CAUTION: Do not block the vent holes for the cooling fan on

the left side of the charger as this could cause the charger to overheat and possibly cause permanent damage.

ERROR MESSAGES AND TROUBLESHOOTING GUIDE

Several safety features are included in this charger to protect itself and the battery against certain unwanted conditions,

as follows:

LCD MESSAGE PROBLEM AND SOLUTION

“Err.1” The DC input voltage is below 11.0V or exceeds 15V DC. Make sure the input voltage is within this range.

“Err.2” A battery is not connected to the output. Make sure a good connection exists between the battery and charger

and re-try.

“Err.3” The battery is connected backwards to the output. Re-connect the battery to the charger’s output with the proper

polarity.

“Err.4” The battery has become disconnected during charge. Re-establish a good physical connection between the

battery and charger, and re-start charge.

“Err.5” Some type of electronic interruption or malfunction has occurred. If you believe that some external force might have

caused the charger to err, and that a true circuit malfunction has not occurred, you might attempt a re-start charge.

Otherwise, if you believe the charger is not functioning properly, disconnect the battery from the charger, and the

charger from the input power, and contact Hobby Services for further details.

“Err.6” The charger has somehow fallen out of calibration. Contact Hobby Services for further details.

“Err.7” Li-xx Bat Low and Hi voltage error. When pack voltage of the connected lithium battery is not certain.

“Err.8” Balance voltage error. When charging Li-xx with the balance cable connected to the charger, if balance cell voltage

is more or less than acceptable voltage of each battery, this error should occur.

“STOP” The 90-minute backup safety timer has expired. You can re-start charge or disconnect the battery from the charger.

5-YEAR LIMITED WARRANTY - *U.S.A. and CANADA ONLY

DuraTrax warrants this product to be free from defects in materials and workmanship for a period of ﬁ ve (5) years from

the date of purchase. During that period, DuraTrax will, at its option, repair or replace without service charge any product

deemed defective due to those causes. You will be required to provide proof of purchase (invoice or receipt). This warranty

does not cover damage caused by abuse, misuse, alteration or accident. If there is damage stemming from these causes

within the stated warranty period, DuraTrax will, at its option, repair or replace it for a service charge not greater than 50%

of its then current retail list price. Be sure to include your daytime telephone number in case we need to contact you about

your repair. This warranty gives you speciﬁ c rights. You may also have other rights, which vary from state to state.

For service on your DuraTrax product, warranty or non-warranty, send it post-paid and insured to:

HOBBY SERVICES (217) 398-0007 hobbyservices@hobbico.com

3002 N. Apollo Drive Suite 1 duratrax.com

Champaign, IL 61822

*For warranty and service information if purchased outside the USA or Canada, see the additional warranty information

insert (if applicable) or ask your retailer for more information.

Onyx 245 User Manual

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