TM 55-1925-282-14&P
0009 00
ROWPU Shuts
Down Unexpectedly
1. At the applicable flow
Is
control panel, OPEN
At the applicable
Is the
the HIGH
the system operation
system controller,
SYSTEM OFF
Yes
Yes
PRESSURE
pressure valve.
press the START
indicator lit on
fault lamp lit on
2. At the applicable
switch and observe
the system
the system
system controller,
the operation of
controller?
controller?
press the FAUILT
the ROWPU.
RESET switch.
No
No
Does
Is the
the ROWPU
Perform 500 hour
SERVICE
Yes
operate normally
Yes
PUMP fault lamp
(high pressure pump
and/or 2000 hour service
lit on the system
runs continuously)?
controller?
high pressure pump.
No
No
Is
the LOW
Perform media filter
At the applicable
PRESSURE
Yes
flow control panel,
fault lamp lit on the
and prefiltration
slowly increase
system
subassembly service
system operation
controller?
pressure to
900 PSI (62.1 bar),
and observe the
No
operation of
the ROWPU.
Press the FAUILT
RESET switch on
the system controller.
Does
the ROWPU
Secure all power
No
operate normally
to the system
Is the
(high pressure pump
controller for
SYSTEM
runs continuously)?
approximately
No
OFF indicator lit
30 seconds, then
on the system
perform ROWPU
controller?
STARTUP
Yes
Yes
High pressure cutout
Is the
switch requires
SYSTEM ON
adjustment. Refer
Press the
Yes
indicator lit on the
to direct support
START switch
system controller, and is
maintenance for repair.
on the system
the applicable high
controller.
pressure pump
running ?
No
Notify the maintenance
supervisor of the defect.
Exit
Procedure 2. ROWPU Shuts Down Unexpectedly
0009 00-5