If a power supply is not outputting DC power, 12 or 24VDC at the Power supply main board lower right terminals ( DC+ DC-), there are several potential causes.
· Legacy Power Supplies (500-series):
o Check AC wire connections and make sure wires are connected properly and receiving proper AC incoming voltage:
§ Black - Line
§ Green - Ground
§ White - Neutral
o Check the 4 Ampere “Slo Blo” Fuse. If it has blown, it will need replacement.
o Ensure EIR is properly configured or jumpered. See product documentation for proper setup.
· Current power supplies (900-series)
o Check for illuminated “AC” LED. If not illuminated:
§ Check AC wire connections and make sure wires are connected properly and receiving proper AC incoming voltage:
· Black - Line
· Green - Ground
· White - Neutral
§ Check the 4 Ampere “Slo Blo” Fuse. If it has blown, it will need replacement.
o If no 900-FA option board is present, ensure FA jumper is in place.
o If 900-FA option boards are present, ensure 900-FA terminals FA1 and FA2 have closure.
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