B-2
Equipment
Manual OP7, OP17
Release 04/99
In
the case of all system messages that relate to ”internal errors”, please follow
the procedure outlined below
.
a)
Switch off the OP
, set the PLC to ST
OP mode and then restart both units.
b)
During startup, set the OP to download mode, downlaod the configuration
again and then restart the OP and PLC again.
c)
If the fault recurs, please contact your nearest Siemens representative.
When doing so, please quote the number of the error that has occurred and
any variables referred to in the message.
Message Cause Remedy
Please wait Mode change in progress or recipe function
started.
Ready for trans-
fer
Waiting for data from PU/PC
Data transfer Data transfer between PU/PC and OP in prog-
ress
Firmware not
compatible
The firmware can not be used for the current
configuration
EPROM
memory failure
Memory module defective or internal hard-
ware fault
Send unit for repair quoting details of error
message
RAM memory
failure
Flash memory
failure
Memory module defective or transmission er-
ror
Retransfer configuration or send OP for repair
Procedure
for
”internal errors”
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