Troubleshooting; Visual Inspection - Eaton Crouse-Hinds Series Instruction Manual

10.5

Troubleshooting

Follow the steps below to find the root cause of sign issues. During troubleshooting or
maintenance operations, if it is necessary to open the electronics enclosure, it is imperative that
the lid be properly refastened at the completion of the operation. Do not remove the captive
screws from inside the lid. Replacement parts will be required for testing the different
components of the sign, see Table 17, pg. 90, for replacement part information.
WARNING Do not open the electronics enclosure while the sign is powered.
Dangerous voltage may be present on the input of the power supply(s).
Contact Crouse-Hinds Airport Lighting for assistance prior to
operating a failed sign. There may be dangerous voltage present on
the input AC pins of the power supply.

10.5.1 Visual Inspection

Energy sources must be
the electronics enclosure, disconnecting power cables, reconnecting
power cables, or servicing electronics on an aircraft guidance sign.
Disconnecting/connecting power cables or servicing sign electronics
without locking out your energy source and de-energizing your power
DANGER
circuit can result in severe injury or death. Note, the sign is equipped
with an optional On/Off switch; power is present at the switch
terminal even when the switch is in the "Off" Position.
electrical power prior on the On/Off switch, if removing its guard or
servicing the switch.
Instruction Manual
AGS-LED
312 LED Series
300mm and 400mm
WARNING:
DANGER:
Locked Out and de-energized prior to opening
15
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REV. B
Lock Out