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Alarm 2205

Alarm 2205 – ET2 Failure

Definition:

In the ET plug-in unit a fault has been detected in the RAM or in the hardware. If the fault is in the RAM, the check sum of a load module in the RAM has changed, or the check sum of a program located in the ROM has changed.

Example:

XXXXXXXXX              BCSU-4      SWITCH    2008-08-13  11:44:35.78
**  ALARM  ET-228     1A005-07    PXRECE                              
    (1870) 2205 ET2 FAILURE                                                    
    01 FF
END OF ALARMS CURRENTLY ON

Meaning:

  1. type of fault:
    00 read/write memory error detected by RAM test
    01 check sum error in load module of RAM
    02 check sum error in ROM program memory
    03 daughter board is missing (ET2E)
  2. when the functional unit is TCSM, index of ET plug-in unit. Otherwise FF

Instructions:

If the fault is in the RAM, replace the faulty plug-in unit, see Instructions for Replacing Plug-in Units.
If the daughter board is missing, install it.

Cancelling:

Do not cancel the alarm. The system cancels the alarm automatically when the fault has been corrected.

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