TM5-6130-301-13&P
Table 4-1. Organizational Troubleshooting (Continued)
MALFUNCTION
PROBABLE CAUSE
CORRECTIVE ACTION
2. NO AMMETER READING
Meter circuit open.
Step 1. Check meter switch.
Replace switch if defective.
Step 2. Check meter.
Replace meter.
Circuit breaker faulty.
Check with ohmeter.
Replace circuit breaker if defective.
Rheostat open.
Check with ohmmeter.
Replace rheostat if defective.
Diode open.
Check with ohmmeter.
Replace diode if defective.
Ammeter shunt open.
Check with ohmmeter.
Replace shunt if defective.
Receptacle assembly faulty.
step 1.
Visually check for faulty contacts.
Replace receptacle assembly if defective.
step 2. Check with voltmeter.
Replace receptacle assembly.
4-3
