EP203 AUTOMATIC EXTINGUISHER PANEL
Approved Document No. DFU0002032 Rev 4 • EP203 AUTOMATIC EXTINGUISHER PANEL INSTALLATION MANUAL • Page 23 of 45
Engineer Controls (Acces s Level 3)
To avoid unauthorised changes to critical parts of the control system, certain EP203
panel functions are only available to engineers and competent service personnel.
The functions that can be performed in Access Level 3, by pressing the Access level 3
switch (mounted on the Main Control PCB) are:
• Manually activate the extinguisher release
• Silence the internal sounder
• Silence the alarm sounders
• Resound the alarm sounders
• Reset an alarm condition.
Also, the LCD unit displays the following Access Level 3 menu:
Acce ssing and using the Engineer Controls
To gain access to the engineer’s menu and sub-menus:
1. Open the EP203 panel front lid using the Allen key supplied in the accessory pack.
2. Press the Access level 3 switch located at the top right corner on the Main Control
PCB. The Accessed yellow LED will be lit steady and the Access Level 3 menu is
displayed on the LCD unit.
3. Press the Scroll (up) and Scroll (down) buttons to highlight a menu.
4. Press the Accept button to select a menu and a sub-menu is displayed.
5. Press the Accept button to select a sub-menu.
6. If applicable, press the Scroll (up) and Scroll (down) buttons to scroll the display
through all active conditions (faults, disablements, tests, etc.).
7. Press the Escape button to return to the previous Access Level 3 menu.
8. To escape Access Level 3 press the Access level 3 switch.
Note: Access Level 3 will automatically be exited after 1 hour of no activity.
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