PWR indicator fails to light

Table 3-2. Troubleshooting Procedures (Cont)

MALFUNCTION

Test or Inspection

Corrective Action

1. PWR indicator fails to light (Cont)

Step 2 Turn on R/T unit PWR switch, then check power indicator

If on, recharge old batteries. If not, turn off R/T unit PWR s witch and replace power supply as

per paragraph 3-5.

Step 3 Turn on R 'T unit PWR switch, then check power indicator

If on, send failed power supply to higher level of maintenance. If not, turn off RIT unit PWR

switch, then replace the R/T unit.

Step 4 Turn on R T unit PWR switch and check power indicators

If on, send old R/T unit to higher level of maintenance. If not, notify your supervisor.

2. Edge lamp(s) fail(s) to light when READ switch is pressed.

Step 1 Install new lamps in holders per paragraph 3-8, then recheck.

If lamps are still not lighted, install new RIT unit.

Step 2 Recheck lamps

If lamps are lighted, send old RIT unit to next higher level of maintenance. If lamps are still not

lighted, notify your supervisor.

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