Spectra Watermakers LB-1800C, Installation And Operating Manual

Page: 35 / 53

35
Pump runs constantly, will
not turn off
•
Turn switch on motor speed con-
trol to AUTO, Service speed to off
•
Replace Speed Control
•
Toggle switch on motor
speed control or the Service
Speed switch is on
•
Speed Control damaged
Display activates, but pump
will not run
•
Loose or broken pump wire
connection
•
Tanks are full (if equipped
with tank switch)
•
Speed control overheated
•
Check wiring at terminal block
inside control box
•
Check tanks– system cannot
be started if tanks are full.
•
Improve cooling
System runs, no product
water delivered to water
tanks, Product volume
gauge good, Diversion
valve shows deactivated on
display
•
Poor product water quali-
ty diversion valve open
•
Salinity probe out of cali-
bration or defective, bad
cable
•
Chlorine damage to mem-
branes
•
Pressure relief valve par-
tially 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,
see ‘ Poor Product Quality ’ on p.50
•
Close pressure relief valve
No lights or display, system
does not operate
•
Display has gone to sleep
•
Remote display not con-
nected
•
No power to control box
•
Touch the screen to wake it up
•
Check display cable connections at
back of display and at control box
•
Check and reset main DC supply
breaker
•
Check for voltage control box, check
20A fuse on control board.
•
Try manual switch on control box: If
pump runs, then control or display
may be defective
System runs, no product
water delivered to water
tanks, Product volume
gauge good, Diversion
valve shows activated on
display
•
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
•
Exercise diversion valve by press-
ing the manual button top, retest.
•
Replace diversion valve.
Pump runs with loud noise
•
Low or high Boost
pressure
•
Intake blocked
•
Air in system
•
Adjust Boost pressure
•
Check sea strainer for leaks
•
Check fresh water flush module for
leaks
•
Re - prime system (restart)
•
Confirm voltage at Boost Pump,
check wiring connections.
Troubleshooting Spectra Connect Alarms
SYMPTOMS
PROBABLE CAUSE
REMEDY