TM 9-4120-404-14
3-16. UNIT TROUBLESHOOTING TABLE. Refer to Table 3-3 for Unit Troubleshooting. The following malfunction index
is provided to assist you in locating malfunctions within this table.
MALFUNCTION
PAGE NO.
Air conditioner fails to operate in any mode ..........................................................................
In COOL mode, evaporator fan runs, but condenser fans and compressor do not
run ........................................................................................................................
Compressor starts normally, but compressor soon trips ........................................................
Reduced cooling capacity ...................................................................................................
Reduced heating capacity ..................................................................................................
Evaporator fan runs, but no heat in heat mode .....................................................................
One condenser fan motor does not operate .........................................................................
Evaporator fan motor does not operate ................................................................................
Excessively noisy operation ................................................................................................
3-29
