Regal 42SC Owner's Manual page 330

TOILET-DIAGNOSTIC CHART VACUFLUSH®
PROBLEM
Pump will not run
Pump will not shut off
Pump running too slow, overheating
or blowing breaker
Pump emits odor
Blockage between toilet and vacuum
generator
Note: This informtion is for earlier yachts only
(EARLIER MODELS)
POSSIBLE CAUSE
No power
Loose or broken electric wire
Faulty motor
Insuffi cient vacuum
Excessive vacuum leak
Faulty vacuum switch
Improper voltage
Loose or broken wire
Discharge line blocked causing back
pressure
Plugged or defective duckbill valve
Loose or defective hose connection
on pump
Loose intake or discharge fi ttings on
pump
Worn, torn or punctured pump bel-
lows or diaphragm
Collased or kinked vacuum line
Flusing foreign objects down the toi-
let
Check DC breaker
Check wires at pump, vacuum gen-
erator, vacuum switch (B terminal
connector
Replace motor
Check for 10 " of vacuum
See pump running between fl ushes
Check by removing 1 of B wires
Check input voltage
Find & replace wire
Check lines/seacock; clean discharge
line
Clean or replace duckbill valve
Tighten connections or replace hose
Tighten all fi ttings on pump or re-
place all nipples/adapters as needed
Replace pump bellows or diaphragm
Inspect & repair vacuum lines
Do not fl ush non-dissolving objects
or excessive tissue down the toilet
18
Chapter 9
POSSIBLE FIX