why is my power supply not working

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Following could cause the 900-2RS board not to operate: If 900-2RS board is not plugged into the PS914 mother board. If PS914 power supply is selected for 12VDC instead of 24VDC. If control co...
Replacing the battery on the 2670 should not cause the unit stop working. Make sure the spring that provides tension on the plastic finger is not bent out. The spring should be at a 90 degrees...
Customers will need to use the Schlage Utility Software (SUS) on the HHD lock programming device to set the desired magnetic track to be read for access control, if not using default Track 2&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...
The battery for the PS873 and PS914 are the same, 7AH sealed Lead Acid  battery.
Product Ordered after 7/10/2012 - Product identified by label on QEL motor You no longer need to use the 900-2Q option board (no longer available) with the PS900 power supplies to ...
Product Ordered before 7/10/2012 - Product identified by no label on QEL motor. You must use the 900-2Q option board with the PS900 power supplies to operate the QEL devices.  The attached ta...
The older 871-2Q card that was used on PS873 power supply will not work with PS914 power supply. You don't need to use the PS914 power supply with 900-2Q board, you can simply use the PS902 power ...
The old 800 series power supplies and boards and the new 900 series power supplies and boards are not compatible with one another.
The PS900 power supplies will only accept the 900-XX option boards.