BC-3500 Series - Rowe International
BC-3500 Series - Rowe International
BC-3500 Series - Rowe International
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Section 4: Troubleshooting<br />
+5 VDC Failure, +5 VDC LED Out<br />
Is the +12VDC LED out?<br />
YES<br />
NO<br />
Is the +30VDC LED out?<br />
YES<br />
NO<br />
Turn the power OFF, unplug P203, and allow VR802 to cool<br />
approximately 4-5 minutes. Turn the power ON (with P203<br />
still unplugged). Does the +5VDC LED come ON?<br />
NO<br />
YES<br />
Defective power supply<br />
(not board). Replace the<br />
power control center.<br />
OR<br />
120VAC line voltage not<br />
getting to the power supply.<br />
Check the connections at<br />
the power junction box (see<br />
WARNING).<br />
Defective power supply board<br />
in the power control center.<br />
OR<br />
Defective 5VDC regulator VR802.<br />
OR<br />
A short to Ground exists in<br />
the +5V lines (Blue wires)<br />
at the dispenser, transport,<br />
or in the main machine<br />
harness.<br />
OR<br />
Defective circuitry in the power supply. Replace the power<br />
control center.<br />
WARNING:<br />
120 VAC circuitry. Turn the power OFF and pull the plug from the wall before making this check.<br />
25238801 4-63
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