Troubleshooting - Simplex 4007-9101 Installation Manual

5.9 Troubleshooting

The code produced by the illuminated yellow indicator LEDs corresponds to a trouble that is either occurring on the system, or on the SLC channels.
See Table on page 26 for the 4007ES LED definitions, and see Figure 21: SLC channel trouble LED codes on page 27 for the 4007ES LEDs and
their codes.
IDNAC channel troubles are indicated by yellow LEDs labeled IDNAC TBL and letters A to D. When the IDNAC TBL LED illuminates, the IDNAC channel
is experiencing a trouble. Refer to Figure 22: System trouble LED codes on page 28 or the trouble codes for LEDs A to D. The LED SCROLL
pushbutton can be used to scroll through multiple trouble indicators.
Table 20: 4007ES indicator LEDs
LED: A, B, C, D
IDNAC TBL
LED COMM Loss
Scroll Push Button (SW1)
Page 26
Signal various trouble conditions on the 4007ES and its SLC. Refer to Figure 21: SLC channel
trouble LED codes on page 27 and
Figure 22: System trouble LED codes on page 28 for troubles details.
When On steady, refer to Figure 21: SLC channel trouble LED codes on page 27 for
detailed troubles indicated by LEDs A-D.
Indicates that the communication between the IDNAC power supply and the CPU is lost.
Used to scroll through multiple troubles, since only one trouble can be displayed at a time.
Fig 20: LEDs on the 4007ES power supply
4007ES and 4007ES Hybrid Fire Alarm Systems Installation Manual
579-1102 Rev H