Check Remote Amber Light
electrical
Description
The alarm amber light circuit (LB) is shorted when energized or open at other times, and the unit alarms only.
Activation Conditions
A problem has been detected in the alarm (amber) light circuit (LB). If this alarm is activated while the circuit is energized, the circuit is detected shorted. If this alarm is activated at any other time, the circuit is detected open.
Unit Behavior
Alarm only.
Reset Conditions
Auto reset when the circuit is normal, or alarm may be manually reset using the display mounted keys or by turning the unit off, then back on again.
Corrective Actions
1. Check Light Bar Wiring: Inspect light bar and connector. No damage to light bar. No damage, moisture or corrosion in connector. Place the SROS in the OFF position and check: Fuse F5 inside PM. Continuity of the wiring from PM-13 to 1-2MSM-22, 1-2MSM-20 to LB-H, 1-2MSM-21 to LB-B and LB-G to GND RING1 (including SP-10). 2. Check Light Bar: Check operation of 2-Light Bar. Refer to Section for information on testing the light bar.