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TM 55-8145-221-14&P
0010 00-6
REFRIGERATED CONTAINER SYSTEM
OPERATOR TROUBLESHOOTING PROCEDURES – Continued
0010 00
REFRIGERATION UNIT TROUBLESHOOTING.
Table 2. Refrigeration Unit Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
Activate power source.
1.
Is power source connected and
active: NO.
2.
Notify Unit Maintenance to
connect Refrigeration Unit to
power source.
1.
Place circuit breaker in ON
position.
2.
Toggle Switch (Start/Run, Off) in
Start/Run position.
3.
Press Reset button (Compressor
Overload).
4.
Verify both side doors are closed.
2.
Is power source connected and
active: YES.
5.
Notify Unit Maintenance.
3.
Circuit breaker tripped.
Notify Unit Maintenance to test or
replace as necessary.
4.
Reset button (Compressor
Overload) tripped.
Notify Unit Maintenance to test or
replace as necessary.
1.
REFRIGERATION UNIT
DOES NOT START.
.
5.
Open side doors and check
Differential Oil Pressure Switch.
If tripped notify Direct Support
Maintenance to test or replace as
necessary.
6.
Open side doors and check Dual
Pressure Control Switch.
If tripped notify Direct Support
Maintenance to test or replace as
necessary.
Note: For additional troubleshooting procedures refer to TM-9-4110-258-13
HOURMETER
0 0 0 0 0 0
COMPRESSOR
OVERLOAD
DEFROST
IN PROGRESS
REFRIGERATION
CYCLE ON
HEATING
CYCLE ON
START
OFF
-30
-20
-10
0
20
30
40
50
10
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