Reference Code Description/Action Perform all actions before exchanging Failing Items Failing Item
C512 AC Module Failure
SPCN serial port communications fault occurred.
ACMODUL
C600 AC Module Failure
The AC module control supply failed to turn off.
ACMODUL
C601 AC Module Failure
AC module bus voltage control test fault occurred.
ACMODUL
C602 AC Module Failure
AC module fault detection failure occurred.
ACMODUL
C609 Clock Card Failure
The clock card in slot 17 is missing or defective.
CLKCARD
BKSPCN
C62E SPCN Network Fault
An SPCN frame-to-frame communication failure was detected.
“Cannot Power On Secondary Frame or Unit (No SRC)” on page 42 or
“System or Expansion Unit Cannot Become Powered Off” on page 56.
TWRCARD
CBLALL
C701 to C703 SPCN Frame-to-Frame Communication fault TWRCARD
CBLALL
CB00 Unknown box ID
The SPCN node cannot determine the machine type of the box in which it
is installed.
TWRCARD
BACKPLN
CB05 to CB06 AC Module Failure
The SPCN ROS and EPROMs test failed.
ACMODUL
CB1D AC Module Failure
The LCD test failure was detected on an Extension/Expansion Unit.
ACMODUL
17G0573
CC00 AC Module Failure
An unknown fault was detected. The machine failed to power up.
ACMODUL
FI00065
BKSPCN
CD00 No Power Supplies Present
SPCN cannot detect any power supplies installed.
BKSPCN
PWRSPLY
CE18 Regulator Not Present
No regulators can be found.
If the regulators are installed, exchange the failing items.
PWRREG
ACMODUL
CE1A Regulator Not Present
If regulator 3 in slot R03 is installed, exchange the failing items.
PWRREG
BKSPCN
D001 A Battery Power Unit 1 Failed
A response was received from battery power unit 1 charger that was not
valid.
86G8020
ACMODUL
BACKPLN
D002 Battery Power Unit 2 Failed
A response was received from battery power unit 2 charger that was not
valid.
86G8020
ACMODUL
BACKPLN
1xxx
114
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1