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...
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...
Checking the following items:
The setting of the PS914 is set on 24VDC
You measure 24VDC from the PS914 mother board
The 900-2RS is plugged into the PS914 power power supply
Either the fire a...
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...