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Problem
Waste discharge
■
pressure stops or
■
decreases dramati-
cally.
■
■
The pump operates,
■
but no liquid is ex-
■
pelled.
■
The motor will not
Make sure:
run.
■
■
■
■
■
How do I disassem-
■
ble the system to
check for an object
lodged in the pump?
97652 Rev. C (04.05.18)
Troubleshooting
Solution
Are the holding tanks empty?
With pump on, look for location
where hose expansion differs;
check for obstruction at that point.
Turn the pump switch to the Off
position:
■ TO CHECK FOR OB-
STRUCTION IN HOSE
(
): Visually check for
K2
foreign matter lodged in the
hose by running your hand
along hose.
■ TO CHECK FOR OB-
STRUCTION IN IMPEL-
LER: Refer to "Obstruction
Removal" section.
Failure to clear a clog could cause
damage to the pump, which will
void the warranty.
Are the holding tanks empty?
Check that the RV gate valves are
open.
Pump may be clogged.
Pump is turned on.
RV battery is charged.
Circuit breaker/fuse is functioning.
Pump is receiving voltage.
Foreign object is not preventing
impeller operation.
Refer to "Obstruction Removal"
discussion.
Warranty
For defi ned warranty terms, review the one-page warranty
statement - see www.thetford.com.
Please give Serial Number (located on the pump or
NOTICE
manual sticker) for calls to customer service and warranty
issues.
®
SANICON
Turbo Model 400S - Permanent Bayonet Mount
9
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