SeaLand VACUUM HOLDING TANK - Manual (Page 7)

7
TROUBLESHOOTING GUIDE
6. Pump running too slow,
overheating, blowing
fuses or circuit breakers.
7. Difficulty in emptying
waste from holding
tank.
8. Pump emits odor.
9. System emits odor.
a. Improper voltage.
b. Loose or broken electrical
wiring.
c. Improper wire size.
d. Gear motor worn or defective.
e. Tank is overfilled – air pump
forced to pump water.
a. The dockside pump is very
weak and has low suction
capability.
a. Worn, torn, or punctured
pump diaphragm.
a. Check for improper flexible
hose.
a. Check input power for low voltage.
b. Tighten or reconnect wires.
c. Wire size too small – check
electrical diagram for proper wire
size for voltage of pump used.
d. Check motor and replace if necessary.
e. Disassemble air pump and empty out water.
a. Turn off the power to the VHT system. Flush
the toilet, releasing all the stored vacuum. Begin
pumping out. Repeat flushing if the dockside pump
begins having trouble emptying out the waste.
a. Replace pump diaphragm.
a. Replace hose where necessary. Replacement
hose should be marked “OdorSafe.”
Possible Cause Service Instructions Problem
Important Owner Information: OdorSafe ® Sanitation Hose is formulated for transfer of sanitary waste
only. Do not allow the following items in system: Strong acids or caustic chemicals (example: drain open-
ers), petroleum solvents or fuels, alcohol-based products (example: alcohol-based antifreeze), pine oil-
based products (example: Pinesol
® cleaner). Use of products containing these substances will void
warranty on hose.
DIMENSIONAL SPECIFICATIONS