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Before checking the WF-9800-AD Series Converter-Charger output voltage, disconnect the
battery cables at the battery. Make sure the converter is plugged into a live  AC source (105-130 
Volts). Check the converter output voltage at the battery with a voltmeter. Place the meter probes 
on the disconnected battery cables; place the 

Positive

 (red) meter probe on the + 

Positive

  

battery wire and place the 

Negative

 (black) meter probe on the 

-Negative

 wire on the battery 

cable (Figure 4). Be sure you have good connections at the cables. If the voltage reads 13.6 - 14.6 
V, the converter is functioning properly.
If the converter output voltage at the battery reads 0.0 VDC, or if the battery is not charging
check for an open inline fuse in the battery wire circuit. One may have been installed by the RV 
manufacturer. Also check for loose wiring connections.

Figure 4

TROUBLESHOOTING INSTRUCTIONS

Troubleshooting the WF-9800-AD Series Converter-Charger

CHECKING CONVERTER OUTPUT VOLTAGE

Summary of Contents for WF-9800-AD Series

Page 1: ...S MANUAL WF 9800 AD SERIES DECKMOUNT COUNVERTER CHARGER ARTERRA DISTRIBUTION 877 294 8997 wfcoelectronics com WARRANTY warranty wfcoelectronics com Fax 574 294 8698 Distributed by Arterra in the U S A and Canada ...

Page 2: ...URES Auto Detect 5 Three Stage Smart Charging 5 Two Stage Smart Charging 6 Converter Modes of Operation 6 TROUBLESHOOTING INSTRUCTIONS Converter Output Voltage 8 Reverse Polarity Fuses 9 Troubleshooting Flow Chart 9 GENERAL COMPLIANCE INFORMATION Agency Listings 9 INSTALLATION INSTRUCTIONS Mounting the Enclosure 10 DC Connections 10 AC Connections 11 SPECIFICATIONS 13 WARRANTY INFORMATION 14 TABLE...

Page 3: ...e converter circuitry The fuses are located on the rear panel of the enclosure near the AC power cord refer to Figure 1 on the next page This feature prevents permanent damage to the converter from a battery connected into the circuit backwards In addition to protecting the converter charger the reverse polarity fuses are the main connection between the converter charger and the DC fuse board of a...

Page 4: ...WF 9800 AD Series Converter Charger the output current will remain constant but the output voltage will begin to drop If this occurs the unit will recover once loads are reduced SHORT CIRCUIT PROTECTION Should a short circuit occur in the RV the WF 9800 AD Series Converter Charger will drop the voltage output to zero volts If the short circuit condition is removed and no other fault conditions are...

Page 5: ...the battery voltage output and regulates the amount of charge using three modes of operation Absorption Bulk and Float modes All WFCO power converters have automatic three stage switching power supplies The converter senses which mode it needs to be in by checking the RV system voltage ABSORPTION MODE The converter normally provides a constant target output voltage of 13 6 VDC nominal to power all...

Page 6: ...is designed to pro vide a trickle charge to the battery after the system observes no significant variations in current draw over a long period of time When in float mode the voltage will reduce from 13 6V to 13 2V and supply the trickle charge which helps to preserve the life of the battery while keeping it charged and ready for use A change in DC current will cause the converter to exit the mode ...

Page 7: ...rrent from the converter will decrease If the total amperage draw from the converter reaches a preset point within the 1 to 4 hour timer the converter is designed to drop out of bulk mode ABSORPTION MODE This mode is designed with 1 purpose in mind This purpose is to provide a safe operating voltage for all loads in the RV This is accomplished by reducing from bulk mode the output voltage to 13 6 ...

Page 8: ...nd place the Negative black meter probe on the Negative wire on the battery cable Figure 4 Be sure you have good connections at the cables If the voltage reads 13 6 14 6 V the converter is functioning properly If the converter output voltage at the battery reads 0 0 VDC or if the battery is not charging check for an open inline fuse in the battery wire circuit One may have been installed by the RV...

Page 9: ... a second will cause these fuses to blow If the above checks have been made but the converter output still reads 0 0 VDC the converter is not functioning properly Figure 5 GENERAL COMPLIANCE INFORMATION Agency Listings UL The WF 9800 AD Series Converter Chargers are UL Listed and cUL Listed Canadian FCC COMPLIANCE CLASS B NOTE This equipment has been tested and found to comply with the limits for ...

Page 10: ...y to prevent the unit from overheating The front of the enclosure should not be ob structed to allow free air flow for the cooling fan Figure 6 An 8AWG copper conductor shall be used to bond the WF 9800 AD Series Converter Charger to the vehicle frame DC CONNECTIONS Connect a Red 8 AWG wire to the POS lug on the distribution center s fuse board Make sure this lug is torqued properly In a similar f...

Page 11: ...may notice that when a battery is connected or reconnected to the converter s output the onboard fan may energize for a few seconds This is normal and is the converter s circuitry recognizing the battery voltage You will notice the same occurrence when the converter is initially energized on Shore power AC CONNECTIONS The WF 9800 AD Series Converter Chargers receive power from the power cord on th...

Page 12: ...12 Figure 7 Figure 8 ...

Page 13: ...13 Figure 9 ...

Page 14: ...each individual state EXCLUSIONS AND LIMITATIONS The OEM warranty specifically does not apply to the following Any WFCO product that has been repaired or altered by an unauthorized person Any damage caused by misuse faulty installation testing negligence accident or any WFCO product installed in a commercial vehicle Any WFCO product whose serial number has been defaced altered or removed Any WFCO ...

Page 15: ...nty Department at 574 294 8698 After receipt of the forms an RGA number will be issued This number shall appear on all correspondence with warranty service Upon validation of the warranty WFCO shall re place the product with a like product The RGA number shall be placed on the outside of the carton used to return the product for ease of identification Do not mark directly on the product The produc...

Page 16: ...ARTERRA DISTRIBUTION 877 294 8997 wfcoelectronics com WARRANTY warranty wfcoelectronics com Fax 574 294 8698 Distributed by Arterra in the U S A and Canada Power PROs Technical Support 877 294 8997 ...

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