TM 9-4110-256-14
SECTION II TROUBLESHOOTING PROCEDURES
3-2. TROUBLESHOOTING.
The following procedures are listed in order of the most probable malfunctions. Each malfunction is followed by test or
inspection procedures in logical order to isolate and identify the fault and actions required to correct it. This section
cannot list all the possible malfunctions that may occur with the equipment. If a malfunction occurs that is not listed or
actions listed do not correct a malfunction, notify your supervisor.
MALFUNCTION INDEX
Troubleshooting
Procedure
Para
Refrigeration unit does not start........................................................................................................................
Thermometer (REFRIGERATOR TEMPERATURE) indicates more than
15 above remote bulb thermostat (TEMPERATURE CONTROL) setting ................................................
F
Pressure Gage (DISCHARGE PRESSURE) indicates above 250 psi
(1725 kPa) .................................................................................................................................................
Pressure Gage (DISCHARGE PRESSURE) indicates below 165 psi
(1138.5 kPa) ..............................................................................................................................................
Compound Gage (SUCTION PRESSURE) indicates above 15 psi
(103.5 kPa) ................................................................................................................................................
Compound Gage (SUCTION PRESSURE) indicates below 0 psi
(0 kPa) .......................................................................................................................................................
3-2