Code
Issue
Possible solution
CD
Manufacturing NVRAM checksum
error
Replace the I/O module.
D0
Absent Power Supply Module 3
Insert the power supply.
D1
Absent Power Supply Module 4
Insert the power supply.
D2
Absent Power Supply Module 1
Insert the power supply.
D3
Absent Power Supply Module 2
Insert the power supply.
D5
Communication error - Power
Supply Module 1
• Reseat the power supply.
• Replace the power supply.
D6
Communication error - Power
Supply Module 2
• Reseat the power supply.
• Replace the power supply.
D7
Communication error - Power
Supply Module 3
• Reseat the power supply.
• Replace the power supply.
D8
Communication error - Power
Supply Module 4
• Reseat the power supply.
• Replace the power supply.
DA
Power loss - Power Supply
Module 1
Verify that the AC cable is well connected to the power supply.
DB
Power loss - Power Supply
Module 2
Verify that the AC cable is well connected to the power supply.
DD
Power loss - Power Supply
Module 3
Verify that the AC cable is well connected to the power supply.
DE
Power loss - Power Supply
Module 4
Verify that the AC cable is well connected to the power supply.
E2
Absent - Fan Module 1
Insert the fan module.
E3
Absent - Fan Module 2
Insert the fan module.
E5
Communication read error - Fan
Module 1
• Reseat the fan module.
• Replace the fan module.
E6
Communication read error - Fan
Module 2
• Reseat the fan module.
• Replace the fan module.
E9
Fan rotor failure - Fan Module 1
Replace the fan module.
Table Continued
Troubleshooting
41