258
HP5100 HP51MTE87
ATC Door Open/Close Alarm
The ATC Door Open/Close command was not completed within 5
seconds, the Door Open and Close signals were detected simultaneously
or five seconds passed without either signal being detected.
Faulty adjustment of the ATC Door Close Check Reed Switch
①
Problems with the ATC Door Close detection Switch or related parts
②
Loosen the Reed
①
Switch Holder security Screw and move it towards
the Shaft to secure the place where the Sensor LED lights up.
Check the Reed Switch, Connection cables, and I/O board
②
in order
Make any necessary repairs or replacements.
Signal Address
Symbol
I/O
Connector
(Pin)
Tube
ATC Door Open
X8.0
ATDO.M
-SD51
Input Module Slot 08
XJ412 (07)
SD51
ATC Door Close
X8.1
ATDC.M
-SD52
Input Module Slot 08
XJ412 (24)
SD52
Solution
Cause
Status
2163
ATC Door
Close Check
Reed
Switch
Holder
ATC Door
Open Check
Reed
Switch