DOCUMENT 1136
REV. G
Instruction Manual
Pro APF Series LED
ICAO TCL, IHP, & STP
14
11 Troubleshooting
If a light unit is under warranty, please contact Crouse-Hinds Airport Lighting for
assistance. DO NOT open a unit. If the unit is opened, the warranty is VOID. If the
warranty period has expired and troubleshooting is required, follow the steps below to find
the root cause. Replacement parts will be required for testing of the different components
of the light unit.
WARNING:
WARNING
Do not remove the fixture from the base can while the fixture is powered.
Dangerous voltage may be present on the primary and secondary sides of
the isolation transformer.
Contact Crouse-Hinds Airport Lighting for assistance prior to operating
a failed fixture. There may be dangerous voltage present on the input AC
pins of the power supply.
11.1 Visual Inspection
Follow the steps in section 9.7 to open the fixture. Verify all the wires are not pinched or damaged and that
the wire insulation is intact. Verify the input AC is connected to the feed through (see
). Verify the
power supply connections and appropriate jumper setting per Figure 2 and Table 1.
Figure 2: Power Supply Connections
*See table 1, Jumpers shown in figure 2 are for example only.