it indicates active service lock function set by an
installer. In this case it is necessary to follow the
chapter „Hardware factory reset”.
8.4 HARDWARE FACTORY RESET
If it is impossible to enter service mode by using Ser-
vice jumper (see: Starting service mode without know-
ing the installer code) it indicates active service lock
function set by an installer. This service lock may be
enabled by an installer, who wants to prevent the pos-
sibility to read the system configuration for the unau-
thorized people. In this case, not knowing the service
code, the panel may be restored to factory default con-
figuration by following these steps:
• turn of all the power to the panel (primary AC sup-
ply, battery backup supply),
• set the jumper to the Service position (Fig. 1, item
4) according to the following drawing:
- service position,
• put the second jumper over the PIN3 connector
pins (Fig. 1, Item 3) used for connecting the panel to
computer for programming, according to the follow-
ing drawing:
- restoring factory default configuration,
• connect back the battery, switch on the primary AC
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