TM 55-1945-205-24-2
0034 00 1
0034 00
UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
ROLL-ON/ROLL-OFF DISCHARGE FACILITY
HEATING AND AIR CONDITIONING SYSTEM
TROUBLESHOOTING PROCEDURES
INITIAL SETUP:
Test Equipment
Multimeter (Item 43, WP 0359 00)
Personnel Required
Engineer 88L
Utilities Equipment Repairer 52C
References
TM 55-1945-205-10-2
TROUBLESHOOTING PROCEDURE
FAN MOTOR HUMS, BUT DOES NOT START
SYMPTOM
Fan motor will hum, but does not start.
MALFUNCTION
Low line voltage to the fan motor is present.
CORRECTIVE ACTION
Using multimeter, check continuity of the wiring between fan motor black wire and other
fan motor wires. If continuity is not present, repair/replace wiring as necessary.
(WP 0348 00)
Perform operational check on heating and air conditioning system.
(TM 55-1945-205-10-2)
MALFUNCTION
Broken wires to the fan motor are present.
CORRECTIVE ACTION
Repair/replace wiring as necessary. (WP 0348 00)
Perform operational check on heating and air conditioning system.
(TM 55-1945-205-10-2)
MALFUNCTION
Fan motor is wired incorrectly.
