Specifications

10–16 Troubleshooting
Publication 1747-6.2
The Following
Error Exists
Probable Cause Recommended Action
System does
not operate per
programmed
forces.
User programmed
forces are not
enabled.
1. Monitor program file online and identify programmed
forces.
2. Enable appropriate forces and test system conditions
again. Once forces are enabled, the FORCE LED goes on
steady.
Refer to your programming software user manual.
The Following
Error Exists
Probable Cause Recommended Action
CPU Major
Error with Low
or No Battery
Back-up
Loss of RAM
during Power
Down Period
1. Verify battery is connected. See pages 6–1 and 9–5.
2. Replace the battery if you want RAM battery backup.
See page 9–5.
3. Refer to processor major fault recommended action
steps.
Refer to your programming software user manual.
Refer to the following key to determine the status of
the LED indicators:
Indicates the LED is OFF.
Indicates the LED is ON.
➀
The DH485 LED on the SLC 5/03 processor is labeled DH+ on
the SLC 5/04 processor, and ENET on the SLC 5/05 processor.
Indicates the LED is FLASHING.
Status of LED does not matter.
POWER
RUN
FLT
BATT
FORCE
DH485
RS232
If the LEDs indicate:
➀
POWER
RUN
FLT
BATT
FORCE
DH485
RS232
If the LEDs indicate:
➀