TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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KNOWN INFO WARNING Read WARNING on following page. REASON FOR QUESTION Is 24 VDC present at circuit breaker CB39 socket 3 on PDP? 3. e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT) NO Go to step 13 of this fault. YES TEST OPTIONS Voltage Test or STE/ICE-R Test #89 This question eliminates possible problems and determines where troubleshooting continues. Service drive lights OK. Circuit breaker CB70 OK. Batteries OK. 100 AMP reverse polarity relay OK. 100 AMP reverse polarity relay to power distribution panel (PDP) 24 VDC cable OK. Battery to 100 AMP reverse polarity relay 24 VDC cable OK. 200 AMP reverse polarity relay OK. 200 AMP terminal block OK. Battery to 200 AMP terminal block 24 VDC cable assembly OK. 200 AMP terminal block to reverse polarity relay 24 VDC battery cable OK. 200 AMP terminal block to reverse polarity relay 24 VDC load cable OK. 200 AMP terminal block to power distribution panel (PDP) 24 VDC cable OK. POSSIBLE PROBLEMS Faulty relay K2. Faulty master power switch. Faulty dashboard cable assembly. TM 9-2320-365-20-1 2-262 Change 1