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RELATED FAQS
Question
Answer
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...:
Why is the Von Duprin PS873 power supply buzzing or chattering?
Resolution:
Some transformers in the power supplies provide a little humming noise and that is normal. If the humming in Von Duprin PS873 power supply is loud follow these steps. Remove the load from the outp...:
Why does the Schlage Utility Software application display the error message "E201 - This device is not connected?"
Resolution:
The E201 message can be ignored and all normal SUS and lock functions will be maintained. Click "OK " and continue. Update the Schlage Utility Software (SUS) to version 4.6.0 or highe...:
How many Von Duprin QEL devices can be connected to a power supply?
Resolution:
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...: