Siemens SINUMERIK 840Di Diagnostic Manual page 818

Overview of Alarms
PLC alarms
400260 Failure of machine control panel 1
Definitions: Machine control panel (MCP) at machine control panel interface 1 has failed. Timer of FB1 parameter
MCP1Timeout has expired.
Reaction: Alarm display.
Remedy: Check the connection to the MCP. Do not increase the value of the timer parameter MCP1Timeout.
Set MCP1Cycl to the default value.
Program Internal
Continuation:
400261 Failure of machine control panel 2
Definitions: Machine control panel (MCP) at machine control panel interface 2 has failed. Timer of FB1 parameter
MCP2Timeout has expired.
Reaction: Alarm display.
Remedy: Check the connection to the MCP. Increase the value of the timer parameter MCP2Timeout. Set
MCP1Cycl to the default value.
Program Internal
Continuation:
400262 Failure of handheld unit
Definitions: Handheld unit (HHU) at handheld unit interface has failed. Timer of FB1 parameter HHUTimeout has
expired.
Reaction: Alarm display.
Remedy: Check the connection to the HHU. Increase the value of timer parameter HHUTimeout. Set HHUCycl
to the default value.
Program Internal
Continuation:
400264 Pointer parameter machine control panel 1 incorrect
Definitions: A pointer is incorrect in the MCP1 parameter range.
Reaction: Alarm display.
Remedy: Correct the PLC configuration in the FB1 parameters.
Program Switch control OFF - ON.
Continuation:
400265 Pointer parameter machine control panel 2 incorrect
Definitions: A pointer is incorrect in the MCP 2 parameter range.
Reaction: Alarm display.
Remedy: Correct the PLC configuration in the FB1 parameters.
Program Switch control OFF - ON.
Continuation:
400266 Pointer parameter handheld unit incorrect
Definitions: A pointer is incorrect in the HHU parameter range.
Reaction: Alarm display.
Remedy: Correct the PLC configuration in the FB1 parameters.
Program Switch control OFF - ON.
Continuation:
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© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006