TM 9-4120-402-14
3-2.
USE OF TROUBLESHOOTING TABLE. - continued
SYMPTOM INDEX
Trouble
Malfunction No.
AIR CONDITIONER
Air Conditioner Does Not Start In Any Mode ....................................................
1
Reduced Cooling Capacity ...............................................................................
4
Reduced Heating Capacity ..............................................................................
5
COMPRESSOR
Compressor Does Not Start In Cool Mode ........................................................
2
Compressor Starts Normally, But High Pressure Switch Soon Trips .................
3
Table 3-1. OPERATOR TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
AIR CONDITIONER DOES NOT START IN ANY MODE.
CAUTION
During cool weather, do not start in COOL mode for four hours. Compressor must be warm or
damage can result.
Step 1.
Check that input power has not been disconnected.
Connect input power.
Step 2.
Check to see if CIRCUIT BREAKER has tripped.
Move up to reset circuit breaker.
NOTE
If circuit breaker continues to trip, notify supervisor.
3-2