44 ซ.บรมราชชนนี 70 ถ.บรมราชชนนี ศาลาธรรมสพน์ ทวีวัฒนา กทม. 10170.
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Operation, indication, diagnostics (continued)
Diagnostics of cause of After lockout, the red signal lamp (LED) lights up. In this status, visual diagnostics of
error the cause of the error according to the error code table can be activated by pressing
the lockout reset button for more than 3 seconds. By pressing the lockout reset button
again for more than 3 seconds, the interface diagnostics will be activated. The interface
diagnostics only work if the AGK20 lockout reset button extension is not fitted.
If the interface diagnostics have been activated by accident – in which case the slightly
red light of the signal lamp (LED) flickers – it can be deactivated by pressing the lockout
reset button again for more than 3 seconds. The moment of switching over is indicated
by a yellow light pulse.
The following sequence activates diagnostics of the cause of the error:
Lockout position
Interface diagnostics
PC / analyzer
Reset
< 3 s
Wiring error or internal error, output contact error, other errors.
Flame detector RAR9 current outside permissible range
(defective flame detector RAR9 or glare).
Short circuit at the connection terminals of the UV flame
detectors QRA at the operating level (terminal 6 of the LFS1
Manual locking active (LOC167)
When diagnosing the cause of errors, the built-in relays FR and HR are in the no-
load position.
Reset to quit the diagnostics of the cause of the error and switch the flame safeguard
on again. Press the lockout reset button for about 1 second (less than 3 seconds).
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Building Technologies CC1N7782en 18.04.2018
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