4026-0XX
Blinking Operator Panel LED
Action
Controller Card Failure
Replace Controller board
Optional Memory Error
Replace the optional memory SIMM. If this does not correct the problem, replace the controller board.
Fan Failure Error
Go to the “Fan Service Check” on page 2-17.
ROM Checksum Error
Replace the ROM SIMM. If this does not correct the problem, replace the controller board.
Base Memory Error
Replace Controller board
