Specifications

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3BUS 208 000 R1301224 Troubleshooting
Alarm Messages
Alarm messages are associated with each of the Service Workstation Health Reports.
For a DOS environment Service Workstation, the alarm messages below may appear
on the Report pages for Electronics Health and Frame Health. For NT Service
Workstation environments, these alarms will appear as a part of the Frame Health
Report (Alarms tab, then Electronics or Frame tab). Alarms from other health reports
are explained in manuals describing operation and maintenance for those features.
Messages which appear in the ‘pe’ log are not explained here. These appear only
in manuals targeted for advanced troubleshooting.
Note: Most actions suggested below assume the hardware path leading
back into the software is functioning. This includes the ECF board,
the SMI daughter board, and the MPRC board. These are also
candidates for replacement during any troubleshooting.
Electronics Alarm Messages
End Column Power Temp Out of Limits
The temperature of the power supply converter board, located in the end column
card cage, has exceeded the maintenance limit of 50 °C. If it reaches 65 °C, the
Scanning Platform will power down.
A Board Temperature is Out of Limits
The temperature of one of the microcontroller ECS boards or the MPRC board,
located in the end column card cage, has exceeded the maintenance limit of 50 °C.
If it reaches 65 °C, the Scanning Platform will power down. If the ECF is the one
affected, then the limits are 59 °C and 69 °C.
Chiller Flow Out of Limits
The digital input indicating the state of flow (on/off) from the chiller flow unit is
showing no flow. The chiller flow unit provides cooling for both the end column
card cage as well as any IR Moisture sensor mounted on the scanner. If a second
chiller unit does NOT exist, then the alarm for the second unit can be disabled by
using the dim utility to invert the input bit.