TM 55-1930-209-14&P
Table 4-1. Chlorination System Troubleshooting
Problem
Probable Cause
Corrective Action
1.
Chlorination unit not operating
a.
Circuit breaker 9P5 on power
a.
Close circuit breaker
due to recirculation pump
panel 1 is open
failures, power failure, or low
salinity
b.
Various
b.
See Section VIII in Installation
and Operation Manual in
Appendix B. See also
troubleshooting information in
component service manuals.
Check fuses in control cabinet
c.
Holding tank lid not closed on
c.
Close holding tank lid
top of tank
securely
d.
Port void ventilation fan circuit
d.
Close circuit breaker 8P8 on
breaker open
power panel 2
2.
Chlorination unit overheating
a.
Seawater discharge pump
a.
Open valve(s) SW47 and/or
valve(s) SW47 and/or SW48
SW48
closed
b.
Seawater pumps not operating
b.
Troubleshoot seawater system
(TM 55193020914&P2)
3.
Chlorine not being injected
a.
Valve(s) CU14 and/or CU15
a.
Open valve(s) CU14 and/or
into drinking water
closed
CU15 fully
b.
Valve(s) CU10 and/or CU13
b.
Open valve(s) CU10 and/or
closed
CU13 fully
c.
Metering pump not operating
c.
Verify power panel 1 circuit
or malfunctioning
breaker 10P5 is closed. Start
pump.
If pump does not start,
troubleshoot (M. Roy manual in
Appendix B).
Troubleshoot
motor controller (paragraph
4-7.1.9). Check thermal unit
and fuse
d.
Metering pump control
d.
Troubleshoot (Xertex Corp.
Malfunctioning
Instruction Manual in
Appendix B)
e.
Flow switch malfunctioning
e.
Check fuse in control cabinet
Troubleshoot flow switch
4.
Brine pump not supplying
a.
Valve CU7 not opened fully
a.
Open valve CU7
brine to chlorination unit
b.
Brine tank not sufficiently full
b.
Add more water and salt to
brine tank
c.
Brine pump switch in
c.
Turn on brine pump switch
chlorination unit control cabinet
off
d.
Brine pump malfunctioning
d.
Troubleshoot pump (M. Roy
Instruction Manual in
Appendix B)
4-2