Controller Boards - Honeywell LC13-510 Manual

3.3.2 Controller Boards (FDC, CNI, DHI, CLI, SIO, SPC)
light does not go out.
SELF TST/ERR
• Ensure that I/O board is properly installed.
• Replace controller board.
• Replace I/O board.
light goes out, but
SELF TST/ERR
one controller.
• Replace controller board, and then board in slot below it, if present (three-board node).
• Replace K2LCN/K4LCN.
light goes out, but
SELF TST/ERR
all controllers.
• Replace K2LCN/K4LCN.
• Remove top controller board, then apply power. Repeat for each controller board until
fault is cleared. Retry extracted boards.
light is lighted on controller, and
BUS TRAN ERR
the K2LCN/K4LCN.
• Replace controller board and board in slot below it, if present, one at a time.
• Replace K2LCN/K4LCN.
light is lighted on a controller, and
BUS TRAN ERR
the K2LCN/K4LCN.
• Remove top controller board, then apply power. Repeat for each controller board until
fault is cleared. Retry extracted boards.
• Replace K2LCN/K4LCN.
Dual Node Module Service
(green) light does not light on
PASS MOD TEST
(green) light does not light on
PASS MOD TEST
DTAK TIME OUT
BGAK TIME OUT
3-6
3.3.2
is lighted on
is lighted on
9/95