TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
Page 434 of 1824
KNOWN INFO TEST OPTIONS REASON FOR QUESTION POSSIBLE PROBLEMS Service drive lights OK. Circuit breaker CB70 OK. Batteries OK. Is 24 VDC present at terminal X1 on power distribution panel (PDP)? 2. e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT) NO Go to step 10 of this fault. YES Voltage Test or STE/ICE-R Test #89 This question eliminates possible problems and determines where troubleshooting continues. WARNING CAUTION Read WARNING and CAUTION on following page. TM 9-2320-366-20-1 2-270 Change 1 Faulty relay K2. Faulty master power switch. Faulty dashboard cable assembly. Faulty 100 AMP reverse polarity relay. Faulty 100 AMP reverse polarity relay to power distribution panel (PDP) 24 VDC cable. Faulty battery to 100 AMP reverse polarity relay 24 VDC cable. Faulty 200 AMP reverse polarity relay. Faulty 200 AMP terminal block. Faulty battery to 200 AMP terminal block 24 VDC cable assembly. Faulty 200 AMP terminal block to reverse polarity relay 24 VDC battery cable. Faulty 200 AMP terminal block to reverse polarity relay 24 VDC load cable. Faulty 200 AMP terminal block to power distribution panel (PDP) 24 VDC cable.