Megger TDS40, Operating Manual, Page: 64 / 71

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7.5.4 Error Messages and Warnings
With the exception of operating errors, every error, once it has occurred, is reported by
way of a two-digit error code. Each of these messages needs to be confirmed by the
operator with "OK", further procedures are determined by the system.
Code Cl. Operational
message
Description Input
00 F Unknown error An error message has
been called that is
unknown to the system.
Software trouble -
must not occur during
operation
01 F Event overflow The software buffer of
events in the master has
overflown.
Software trouble - may
occur during operation
only if there is an unusual
accumulation of errors
02 F Slave not found The master has not
received any acknow-
ledgement of receipt from
the slave via LON.
LON Bus / wiring / power
supply
03 F Slave not ready The master has not
received any confirmation
from the slave on its
request.
LON Bus / wiring / power
supply
04 F Unknown slave The software version of
the slave is not com-
patible with the software
version of the master.
Insert Slave PROM with
suitable software version
05 F Master timeout Communication between
master and slave is inter-
rupted (slave does not
respond).
LON Bus / wiring / power
supply
06 F P-node missing A protocol node
registered in Setup does
not answer to the
network.
Check protocol node and
its linkage as well as
power supply
07 F Config. restart
The system needs to be
rebooted after the device
configuration has been
changed.
Initiate restart by
confirmation of error
message
08 F State mismatch
The slave is unable to
carry out the requested
transition of condition.
Software trouble - must
not occur during
operation