WFCO WF-68100 - Manual (Page 4)

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FCC Compliance Class B
NOTE: This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment.
This equipment generates, uses, and can radiate radio frequency energy and,
if not installed and used in accordance with the instruction manual, may
cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in
which case the user will be required to correct the interference at his own
expense.
The WF-6800 Series units are UL-Listed, and cUL-Listed (Canadian).
They comply with FCC Class B requirement (see below). ® ®
GENERAL COMPLIANCE INFORMATION
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Before the converter output voltage can be checked, it is necessary to disconnect battery
output wires from the battery terminals. Insulate each wire to prevent shorts. Plug the
converter into a 120 VAC source. Using a voltmeter, check the converter output voltage.
Place the Positive + (red) probe in the POS + output (red) and place the Negative -
(black) test probe into the NEG - (black) output terminal of converter. Be sure you have
good connections at the terminals. If the voltage reads in the 13.2 Vdc-14.4 Vdc range,
the converter is functioning properly. Add more load to make sure converter is able to
keep the output voltage between
. 13.2 Vdc-14.4 Vdc range
If the converter output voltage reads in the 13.2 Vdc-14.4 Vdc range and
the battery is not charging, check for:
- an open inline fuse in the battery wire (if provided)
- an open wire between the converter and the RV battery
- loose ground
- improper torques
If the converter fuses and AC voltage are good, but the converter output still
reads zero volts, the converter is not functioning properly.
Contact Cheng USA, Inc. Tech Support at 1 (877) 294-8997.
Troubleshooting WF-6800 Series Converter
TM
CHASSIS
(EARTH)
GROUND
Distribution Panel
WF-8930/50
GROUND BAR
12 V
BATTERY
POS+ NEG-
BATTERY TYPE SELECTION
DIP SWITCH
AGM Lead-Acid
Gel-cell
Ground bar can also be found
inside of the WF-8930/50
distribution panel.
REVERSE BATTERY
PROTECTION FUSES
ATC Style
“Littelfuse ” Type 257 fuses ®
Possible Inline fuse