TM 55-1905-223-24-11
Section IV. UNIT MAINTENANCE TROUBLESHOOTING
2-8.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
BACKWASH WATER
Not being supplied-correct gauge pressure
Item 19
BLEACH
Not being supplied to treatment tank
Item 20
CENTRIFUGAL Pump
Fails to operate - motor runs/turns
Item 11
Noisy or vibrates
Item 12
COMMODE
Warning light on - flashes every 5 minutes
Item 2
CONTROL SYSTEM
Not operating - power light OFF
Item 4
Not operating - power light ON
Item 3
Stops - high level warning light - ON; power
Item 1
light ON (Remote Status Indicator)
GREASE OR OIL
Excessive on motor surfaces
Item 16
LEAKAGE
From pump, waste disposer, or piping connection
Item 13
From treatment tank cover
Item 18
MODE SWITCH
Fails to change mode of operation when
Item 10
manually set
2-13