SECTION IV. UNIT TROUBLESHOOTING

TM 55-1905-223-24-7

SECTION IV. UNIT TROUBLESHOOTING

2-9.

Troubleshooting. Both a symptom index and a troubleshooting table are provided. The symptom index will help

you locate the information you need for troubleshooting.

SYMPTOM INDEX

Troubleshooting

Procedure

HIGH PRESSURE PUMP

Noisy operation/excessive vibration

Item 9

Volume/pressure falls off

Item 8

LOW PRESSURE GAUGE

Indicates vacuum

Item 1

Indicates 0 psi

Item 2

PRESSURE

No high pressure; low pressure

gauge reads positive pressure

Item 3

PRODUCT FLOWMETER

Indicates low flow rate

Item 5

PRODUCT WATER

Water quality monitor QUALITY LOW

red lamp lit

Item 4

Salty

Item

RO UNIT

Water pulsations

Item 10

Will not prime

Item 7

Table 2-2 lists the common fault conditions that may be found during operation or maintenance of the equipment. Look for

causes and do corrective actions in the order listed. This manual cannot list every symptom that may show up, and it

cannot list all the possible causes and corrective actions. If a symptom is not listed, or if it keeps up after you have

performed the corrective actions, notify your supervisor.

2-13