Yale SLE 3

6 Error and warning messages, faults
09.2019 27
ba-o.4.1.3-en-2.2-y
6 Error and warning messages, faults
WARNING
Testing of the electrical installation may only be carried out by an electrical qualified
person.
Changes to the overload cut-off point or a device replacement may only be carried out by
a qualified person.
6.1 Operation
The detailed description of errors is to be found in the "Service instructions of the
manual".
Internal tests are carried out when the power supply is switched on. The LEDs "pwr",
"err", "I", "II", "III" light up during this test.
The SLE 3 is ready for operation when only the LED "pwr" is still on.
Symbols
LED is off LED flashes LED lights up
III
II
I
err
pwr
Cause
Consequence
Correction
Device is ready for operation