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“
No DC oUTPUT
”
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No DC output from Power Supply
Resolution:
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. · &n...:
Why does the PS900 power supply not provide any DC output when AC power light is on?
Resolution:
The following items may cause the PS900 series power supply to have no DC output voltage. 1. If the DC voltage selection jumper is missing, the power supply will not provide any D...:
Why does the DC output voltage on the PS914-2RS or PS914-4RL drops when access control is activated?
Resolution:
Following items could cause the DC output on PS914 series power supply to drop when access control is activated. Wrong gauge wire from power supply to the the power transfer. Excessive wire run...:
What would cause an EL device to pull and release?
Resolution:
If your Von Duprin EL (solenoid) device pulls and releases quickly instead of holding the latch retracted, please check all of the items below.In most cases, one or more of these solutions will r...: