Table 5-1. Troubleshooting Procedures

TM 55-6605-263-14&P

5-8.

TROUBLESHOOTING TABLE. If you observe an abnormal condition or result, refer to the troubleshooting table

below. Perform the checks and corrective actions indicated.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Power-on Indicator Lamp not illuminated.

Step 1. Check external power cable connections for good contact. Be sure the external power source is

on.

Tighten connections and/or turn external power source on.

Step 2. Check circuit breaker and power-on lamp.

Replace defective part(s).

Step 3. Check ON-OFF-POLARITY switch.

Replace defective part.

Angle Position Indicator Power-on Lamp not illuminated.

Step 1. Check cables and connections to Angle Position Indicator and static power inverter.

Tighten connections.

Step 2. Check for output voltage from static power inverter, (115 Vac 400 Hz).

Replace defective component.

Step 3. Check the ON-OFF switch.

Replace defective component.

5-3