Page 16 579-1102 Rev H
4007ES and 4007ES Hybrid Fire Alarm Systems Installation Manual
4.4 Troubleshooting
Figure 14: LEDs on the 4007ES hybrid power supply on page 16 and Table on page 16 show the LED definition for the NAC power.
Fig 14: LEDs on the 4007ES hybrid power supply
Table 11: LEDs on the 4007ES hybrid power supply
LED10 AC Green. Off on AC failure.
LED2 RUI Trouble Yellow. On for Class A RUI trouble.
LED6 RUI OC Yellow. Indicates a short (overcurrent).
LED3 Comm Yellow. Indicates that the communication between the NAC power supply and the CPU is lost.
LED 4 Gen Power Steady On, yellow. Indicates AC power loss, earth fault, overcurrent and battery trouble.
LED5, 7, 8,
and 9
NAC 1, 2, 3,
4
Steady On, yellow. Used to signal overcurrent, short, and open circuit.
LED1 Aux/SNAC Steady On, yellow. Use to signal overcurrent, short, and open circuit.
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