06/2014
2-149
WC 5022/5024
124-311 Serial Number Fail
Status Indicator RAPs
Version 1.0
124-311 Serial Number Fail
BSD-ON: CH3.4
The device was turned ON after it was installed with a new ESS/MCU PWB.
Cause/Action
1. Remove the EEP ROM from the old ESS/MCU PWB, install the removed EEPROM to the
new ESS/MCU PWB, and then turn ON the power.
2. Enter the Diag, input [621-400] in the Chain-Link, and set the value to '1'.
3. Press <Start>.