TM 10-8145-222-23
0004
MAINTAINER MAINTENANCE TROUBLESHOOTING MALFUNCTION/SYMPTOM INDEX CONTINUED
This manual cannot list all possible malfunctions that may occur, nor all tests or inspections and corrective actions. If
a malfunction is not listed (except when the malfunction or cause is obvious) or is not corrected by listed corrective
actions, it may be necessary to use wiring diagrams to isolate the fault. MTRCS malfunctions are indexed (Table 2)
below to provide a quick reference to corrective actions located in WP 0005. Also refer to Table 3 for the sensor
voltage chart and Table 4 for sensor resistance chart.
Table 2. Maintainer Maintenance Troubleshooting Malfunction/Symptom Index.
Engine Will Not Start ....................................................................................................................................... WP 0005-7
Fault AL8 (STARTER)..................................................................................................................................... WP 0005-8
Fault AL0 (ENG OIL) ..................................................................................................................................... WP 0005-10
Fault AL1 (ENG HOT) ................................................................................................................................... WP 0005-12
Fault AL2 (HI PRESS)................................................................................................................................... WP 0005-18
Fault AL3 (STARTFAIL) ................................................................................................................................ WP 0005-21
Fault AL4 (LOW BATT) ................................................................................................................................... WP 0006-2
Fault AL5 (HIGH BATT) .................................................................................................................................. WP 0006-3
Fault AL6 (DEFRFAIL) .................................................................................................................................... WP 0006-4
Fault AL7 (ALT AUX) ...................................................................................................................................... WP 0006-5
Fault AL9 (1RA SENSOR) .............................................................................................................................. WP 0006-6
Fault AL10 (2RA SENSOR) ............................................................................................................................ WP 0006-7
Fault AL11 (WT SENSOR).............................................................................................................................. WP 0006-8
Fault AL12 (HIGH CDT) .................................................................................................................................. WP 0006-9
Fault AL13 (CD SENSOR) ............................................................................................................................ WP 0006-13
Fault AL14 (SBY MOTOR)............................................................................................................................ WP 0006-14
Fault AL15 (FUSE BAD) F4 .......................................................................................................................... WP 0006-16
Fault AL15 (FUSE BAD) F4 .......................................................................................................................... WP 0006-17
Fault AL15 (FUSE BAD) F5 .......................................................................................................................... WP 0006-19
Fault AL15 (FUSE BAD) F7 .......................................................................................................................... WP 0006-20
Fault AL15 (FUSE BAD) F8 .......................................................................................................................... WP 0006-24
Fault AL17 (DISPLAY) .................................................................................................................................... WP 0007-2
Fault AL20 (1RA OUT).................................................................................................................................... WP 0007-3
Fault AL21 (2RA OUT).................................................................................................................................... WP 0007-9
Fault AL23 (NO POWER) ............................................................................................................................. WP 0007-15
Refrigeration Unit Runs But Will Not Heat ................................................................................................... WP 0007-16
No Microprocessor Display ........................................................................................................................... WP 0007-26
Compartment 1 Evaporator Has No, or Limited, Airflow ................................................................................. WP 0008-2
Compartment 2 Evaporator Has No, or Limited, Airflow ................................................................................. WP 0008-8
Both Compartment Evaporators Have No Airflow ........................................................................................ WP 0008-14
Standby Motor Will Not Come On (NO ALARM) .......................................................................................... WP 0008-16
