Qel mechanical adjustment

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Improper mechanical adjustment or QEL calibration could cause the QEL cycle three times with solid LED and not work. First check mechanical adjustment on vertical rods or mortise lock device and co...
The regulation valves are designed to adjust the flow the hydraulic fluid in the closer which regulates the door closing speed through various phases of the closing cycle. The regulation valves h...
Von Duprin Exit Devices (33A/35A, 98/99, etc) are handled on a case by case basis regarding their ability to handle salt and chemical environments. Our powder coated finishes US28 (Anodized Alum...
One of the following items may cause the EL1690 device to retract then release: Incorrect power supply - Verify you have the PS873-2/4TD or PS914-2RS/4RL power supply. Problems with wire gauge...
The following could cause the Von Duprin CX solenoid ( devices shipped prior to 8-24-2015) to pull and drop and sound the alarm with solid LED light. Wrong power supply, requires Von Duprin ...
The following could cause the Chexit solenoid ( devices shipped prior to 8-24-2015) pulls in then drop out with no alarm. Mechanical adjustment such as vertical rods. Disconnect t...