TM 10-4610-310-14
UNIT MAINTENANCE
LIGHTWEIGHT WATER PURIFIER
TROUBLESHOOTING PROCEDURES
CHEMICAL MODULE
MODULE CABLE
General
The table lists the common malfunctions that you may find due to faults in the module cable of the high-pressure
pump module. You should perform the tests/inspections and corrective actions in the order listed.
This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions. If a
malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor.
WARNING
When checking for voltage on an energized component, extreme care must be taken. Only qualified and
authorized electrician should maintain, troubleshoot, and operate energized equipment. Injury or death to
personnel may result.
MALFUNCTION
TEST/INSPECTION
CORRECTIVE ACTION
With power off, inspect ground
connection inside the chemical
module junction box for loose
Tighten any loose connections.
1. No power
connections. Inspect all the wire
and cable connections for
looseness.
With power off, test for continuity
Replace cable if continuity is not
2. Coagulant pump
between pin C to wire 48 and pin
present.
B to wire 3.
With power off, test for continuity
3. Antiscalant pump
Replace cable if continuity is not
between pin A to wire 46 and pin
and Hypochlorite pump
present.
B to wire 3 .
END OF WORK PACKAGE
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