Symptom and recovery actions

Use the problem-analysis symptom and recovery list to find the symptom you are experiencing and then perform the corresponding procedure.

  1. Were you directed here from the problem-analysis procedure?
  2. Use the following table to find the symptom you are experiencing in the Symptom column, starting at the top of the list and moving down. Then, perform the procedure listed in the recovery procedure column.
Table 1. Problem-analysis symptom and recovery list
Symptom Recovery procedure
You cannot turn on the system See Recover from a system power problem.
The system attention light is on, or a system reference code is displayed on the control panel. See the System reference code list.
The Operations Console Remote Control Panel feature is not working correctly. See Recover when the Operations Console remote control panel feature is not working correctly.
A pushbutton or light on the control panel is not working correctly. See Recover when the control panel push buttons or lights are not working correctly.
You cannot perform an initial program load (IPL) or you suspect an operating system failure. See Recover from IPL or system failures.
Your workstation or device (such as display or printer) is not working. See Recover from a workstation failure.
You are having a problem with a tape or optical device. See Recover from a tape or optical device problem.
You are having a problem with a disk or diskette unit. See Recover from a disk or disk drive problem.
You cannot communicate with another device or computer. See Recover from a communications problem.
Your system seems to be in a loop or hang condition. See Recover from system hang or loop condition.
You are having an intermittent problem. See Recover from an intermittent problem.
You are having data compression problems and receive this message: Message ID CPPEA02 along with system reference code (SRC) 6xxx 7051 - Compressed device and compression input/ouput adapter (IOA) are not compatible. Go to "Recovering from SRC 6xxx 7051" in the Working with Disk Compression chapter in the Backup and Recovery guide
Link to PDF
(about 570 pages).
You are having data compression problems and receive this message: Message ID CPPEA03 along with SRC 6xxx 7052 - Data compression warning. Go to "Recovering from SRC 6xxx 7052" in the Working with Disk Compression chapter in the Backup and Recovery guide
Link to PDF
(about 570 pages).
The system has logical partitions and a state of Failed or Unit Attn is displayed on the Partition Status display of a secondary partition. There is a reference code. See the System reference code list.
The system is logically partitioned and your partition seems to be in a loop or hang condition. See the Recover from system hang or loop condition.
The system is logically partitioned and you cannot perform an initial program load (IPL), or you suspect an operating system failure. See the Recover from IPL or system failures.
No symptom to match in the table. Go to the Report problems: Overview.