ABB Symphony Harmony Series - Block and Field Power Leds

Status Code LEDs
WBPEEUI240751C0 8 - 3
Table 8-2. Block and Field Power LEDs
Indicator State Description Corrective Action
Block
power
AorB
On Good power input. No action required.
Off BLP power problem for the indicated
power input.
BLP power problem for the indicated
power input.
1. Verify front panel block power A or
BfuseontheI/Omoduleispresent
and good. If not, replace the fuse.
2. Check the condition of the power
connector (P1) on the I/O module. If
bad, replace the I/O module.
3. Check the condition of the mount-
ing column c onnector. If bad, replace
the mounting column.
4. If problem persists, replace the I/O
module.
Field power
C, DI, or
DO
On Good power input. No action required.
Off IFP power problem (if jumper
selected).
1. Verify front panel field power fuse
on I/O module is present and good. If
not, replace the fuse.
2. Verify the field power select jump-
ers are set to IFP power.
3. Check the condition of the power
connector (P1) on the I/O module. If
bad, replace the I/O module.
4. Check the condition of the mount-
ing column c onnector. If bad, replace
the mounting column.
5. If problem persists, replace the I/O
module.
LFP power p roblem (if jumper
selected).
1. Verify front panel field power fuse
on I/O module is present and good. If
not, replace the fuse.
2. Verify the field power select jump-
ers are set to LFP power.
3. Check the LFP power connection.
4. If problem persists, replace the I/O
module.