49
Pump runs intermittently,
cycling on/off
Overpressure switch on
ShurFlo pump opening
Adjust or replace switch
(see page 58)
Feed pump runs constant-
ly, will not turn off
Turn off manual switch on control
box
Manual switch in ON
position on control box
Display activates, but pump
will not run
Loose or broken pump
wire connection
Tanks are full (if equipped
with tank switch)
Check wiring at terminal block
inside MPC
Check tanks– system cannot
be started if tanks are full.
System runs, no product
water delivered to water
tanks, GPH bar graph shows
OK, “reject” LED activated
High salinity of product
water, causing system to
reject water
Salinity probe out of cali-
bration or defective, bad
cable
Chlorine damage to mem-
branes
Pressure relief valve open
Check for low feed pressure
Check for leaks at high pressure
hoses
Test product water with hand-held
tester– if over 500 PPM for 1 hour,
contact factory
Close pressure relief valve
No lights or display, system
does not operate
Remote display not con-
nected
Check display cable connections at
back of display and at control box
Check and reset main DC supply
breaker
Check for voltage (12 or 24 VDC) at
control box power input studs
Try manual switch on MPC control
box: If pump runs, then control or
display is defective
System runs, no product
water delivered to water
tanks, GPH bar graph
shows OK, “Good” LED acti-
vated
Diversion valve inoperative
or wiring fault.
Disconnected or broken
product tubing
Diversion valve plunger
stuck
Check wiring at diversion valve and
inside control box
Check product tubing
Disassemble and clean diversion
valve plunger or replace valve
(contact factory)
Feed pump runs with loud
noise
Intake blocked
Air in system
Check thru-hull valve
Check sea strainer for leaks
Check fresh water flush module for
leaks
Re-prime system (restart)
Troubleshooting Ventura MPC Systems
SYMPTOMS
PROBABLE CAUSE
REMEDY
Содержание Ventura 150T MPC
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Страница 7: ...7 Installation ...
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Страница 29: ...29 Operation ...
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Страница 39: ...39 Maintenance Storage and Troubleshooting ...
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Страница 61: ...61 MPC 5000 Programming and Controls ...
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Страница 75: ...75 Exploded Views and Part Numbers ...
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Страница 82: ...82 HP TB VEB B HP TB VB HP TB VEB A HP TB BV HP CB CB7 HP CYL SST HP CYL R HP CYL EC HP CYL CCA Not used ...
Страница 84: ...84 Parts HP CYL 3 4R ...
Страница 85: ...85 PL MTS 3 8X1 2S HP CYL SST HP CYL CCA SO HPP ECCB HP CYL EC HP CYL R HP CYL PT Parts ...
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