Siemens SINUMERIK 840Di Diagnostic Manual page 263

11/2006
15020 Channel %1 block %2 CHANDATA instruction cannot be executed.
Channel %3 is not active
Parameters: %1 = Channel number
%2 = Block number, label
%3 = String (CHANDATA parameter)
Definitions: With a CHANDATA instruction, the data input for a channel is selected that has not been activated.
For structural reasons, the input of multi-channel data must take place twice.
Reaction: Interpreter stop
NC Start disable in this channel.
Interface signals are set.
Alarm display.
Remedy: Please inform the authorized personnel/service department.
- Activate the channel concerned by means of machine data or option data or
- Cancel the CHANDATA instruction and all following assignments to channel data. This error
message occurs regularly when first reading in an INITIAL Init block with which a multi-channel system
is to be installed. In this case:
1. NCK Restart must be executed in order to activate the global machine data already input for the
installation of the other channels.
2. Input of the INITIAL Init block must be repeated.
Program Switch control OFF - ON.
Continuation:
15021 Channel %1 block %2 CHANDATA instruction with invalid channel
number
Parameters: %1 = Channel number
%2 = Block number, label
Definitions: A CHANDATA instruction is used to enter data for an illegal channel, e. g. <1,> maximum number of
channels, not the active channel.
Reaction: Interpreter stop
NC Start disable in this channel.
Interface signals are set.
Alarm display.
Remedy: Program CHANDATA instruction in accordance with the actual configuration.
Program Clear alarm with the RESET key. Restart part program
Continuation:
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
Overview of Alarms
NCK alarms
2-263