Siemens LME39 Series - Diagnostics of Cause of Fault; Figure 9: Diagnostics of Cause of Fault

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Building Technologies Division Basic Documentation LME39… CC1P7106en
9 Operation, indication, diagnostics 08.12.2017
9.3 Diagnostics of cause of fault
After lockout, the red signal lamp is steady on. In that condition, visual diagnostics of
the cause of fault according to the error code table can be activated by pressing the
lockout reset button for more than 3 seconds. Pressing the lockout reset button again
for at least 3 seconds activates interface diagnostics. Interface diagnostics works only if
the AGK20... lockout reset button extension is not fitted. If, by accident, interface
diagnostics has been activated, in which case the slightly red light of the signal lamp
flickers, it can be deactivated by pressing again the lockout reset button for at least
3 seconds. The moment of switching over is indicated by a yellow light pulse.
The following sequence activates the diagnostics of the cause of fault:
EK
> 3 s
EK
> 3 s
Interface diagnostics
PC / analyzer
EK
< 3 s
7106z04e/1011
Reset
On
Visual diagnostics
Lockout position
Lockout position Lockout position
Figure 9: Diagnostics of cause of fault