Siemens SINUMERIK 840D sl Series Diagnostics Manual page 242

Overview of Alarms
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.
Reactions: - 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 Con- Switch control OFF - ON.
tinuation:
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.
Reactions: - 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 Con- Clear alarm with the RESET key. Restart part program
tinuation:
15025
CHANDATA(%2): channel is not active. Channel data will be ignored.
Parameters: %1 = Channel number
%2 = CHANDATA parameter
Definitions: With a CHANDATA instruction, the data input for a channel is selected that has not been
activated.
Reactions: - NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
Remedy: This is an informational alarm referring to the fact that the file loaded into the NCK con-
tains data of an inactive channel. The number of the inactive channel is specified. Subse-
quently, the data of this channel are not available in the NCK.
The alarm may have two causes:
(1.) (1) The channel is supposed to be activated by a following NCK RESET/POWER ON,
i.e. the file must subsequently be reloaded.If the alarm occurs again, the reason is: (2) the
specified channel is actually not supposed to be activated, however, the file contains the
relevant data.
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SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
© Siemens AG, 2005. All rights reserved
08/2005