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6.3 Service mode (S305)
Before servicing the model S305 monitor or changing any parameters it is
needed to enter the service mode. To access service mode right PIN code is
required. In service mode the alarm relays will indicate that the
measurement is invalid and shall be ignored by the reporting system.
Selecting the right PIN code to access service mode:
5. Press button A and select first PIN code digit 0..9
6. Press button B and select second PIN code digit 0..9
7. Press button C and select third PIN code digit 0..9
Factory default for PIN code is 1. 1. 1.
There are four different setup configurations depending on how the relays are
connected. After the right PIN code is selected to enter the service mode
simultaneously press and hold down buttons B and C for one second. The dot
in the corner of the right-hand digit on the display panel indicates when unit is
in the service mode. To exit the service mode simultaneously press and hold
down buttons B and C for one second.
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