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Page Title:
Direct and General Support Water System Troubleshooting Chart |
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  TM 11-6780-225-35
Item
Trouble symptom
Probable trouble
Corrective measure
No.
14
Refrigerator does not operate
a
Refrigerator control set too low,
a
Set refrigerator control to higher
set to OFF, or defective
position, or replace refrigerator
control as required.
b
Defective power cord-
b Replace power cord.
c
Defective refrigerator.
c Replace refrigerator.
15
No power to control panel of film and
a
CB7 set to OFF
a Set CB7 to ON.
print drier, and space heater
b
CB7 resets to OFF when set to
b Replace CB7, or repair film and
ON
print drier, and space heater
installation as required.
16
No power to circuit 8 outlets
a
CB8 in OFF position or defective
a. Set CB8 to ON or replace as
required.
b
Defective outlet-
b Replace outlet.
17
No power to control unit
CB9 in OFF position or defective
Set CB9 to ON position or replace
as required.
18
No power to water pump
a
CB10 in OFF position or
a Set CB10 to ON position or
defective
replace as required.
b
Water pump switch set to OFF or
b Set water pump to ON or replace
defective
as required.
19
No power to incandescent lights
a.
CB11 in OFF position or
a Set CB11 to ON position or
defective
replace as required.
b
Incandescent light switch in OFF
b Set switch to ON position or
position or defective
replace as required.
3-6.
Direct and General Support Water System Troubleshooting Chart
Item
Trouble symptom
Probable trouble
Corrective measure
No.
1
No cold water when faucet (S7) is
a
No main water being supplied to
a
Check tank level, make certain tank
turned on, and no pressure read
inlet from water storage tank
inlet is not blocked.
on pressure indicators
b.
Drain valve (D7) is open
b
Close valve (D7).
c
Main strainer is completely
c
Clean or replace strainer.
clogged.
Figure 3-1. Water heater, schematic diagram.
3-3
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