What is error code se

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An error - E04 - is an indication of a constant activation input from either the "Hold Open" switch or a "Wall Activation" switch when the 4600 power is turned on. This condition also occurs when l...
Here is an updated list of errors shown on keypad display of the Senior Swing control: Er04 - Voltage Monitor was high during Opening hardware check. Er05 - Master or slave CPU has oscillator ...
An error code E02 indicate a short on the 12/24 VDC power supply.   On current I/O Boards with the 1-24 terminal strip:  Verify any wiring on the power output connections (1,2,3,4,5,7, etc.)...
Maximum glass light sizes for 3 hour fire doors is as follows: Wire glass - not approved for use in 3 hour fire doors. Ceramic glass: UL & ITS/WH allow one (1) light with 100 square inc...