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CT 9000® ADV
Fault # 033
Bad EEPROM detected on CPU Board
Occurs when: During Power-up testing, the CPU performs a Write
function to the EEPROM, chip U17. If this cannot be completed, the
CPU displays the Fault message at the end of Power-up testing.
Corrective action:
Replace the EEPROM
U17 on the CPU board.
Fault # 035
Software error
Occurs when: A Power-up Fault message is called to be displayed
when no Power-up Fauits have been detected by the CPU.
Corrective action: Cycle power to correct problem. If this problem
persists, replace chips U10 and U12 on the CPU board.
Fault # 036
RAM test failed
Occurs when: This Fault message will be displayed when the RAM
R/W test performed by the CPU during Power-up testing has failed.
Corrective action: Replace the RAM chip U15.
Fault # 037
ROM test failed
Occurs when: This Fault message will be displayed when the
EPROM (U10) Cyclic Redundancy Check (CRC) has failed.
Corrective action: Replace U10.
Fault # 038
No encoder counts detected
Occurs when: This Fault message will be display when the en-
coder counts are not being detected by the CPU even though a
voltage is being delivered to the motor.
Corrective action: Check the motor, connector J5 on the
powerhead and
]
Fuse 2 on the Mother board.
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