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Dometic 1600, HTS-EC owner manual Troubleshooting Guide

Models: HTS-EC 1600

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TROUBLESHOOTING GUIDE

Problem

 

Possible Cause

 

Service Instructions

9. Vacuum pump will not run.

a. No electrical power.

a. Check input power, circuit

 

 

 

 

breaker.

 

b. “Tank full” float switch is stuck

b. Remove switch and clean or

 

 

 

 

replace.

 

c. Loose or broken electrical wiring.

c. Tighten or reconnect wires at

 

 

 

 

vacuum pump, vacuum generator,

 

 

 

 

vacuum tank, status panel, “tank

 

 

 

 

full” float switch relay.

 

d. Faulty vacuum switch.

d. Replace vacuum switch.

 

e. Faulty motor.

e. Replace motor.

 

 

 

10. Vacuum pump will not

a. Excessive vacuum leak.

a. See problem 7.

shut off.

b. Faulty vacuum switch.

b. Replace vacuum switch.

 

c. Duckbill valves in vacuum pump

c. Replace duckbill valves.

 

 

are defective.

 

 

 

d. Vacuum pump or vacuum

d. Prime pump by charging system

 

 

generator needs primed.

 

with water.

 

e. Improper wiring.

e. Check wiring. Refer to wiring

 

 

 

 

diagram.

 

 

 

11. Vacuum pump running too

a. Low voltage.

a. Check for low voltage.

slow, overheating, or

b. Loose or corroded wiring.

b. Tighten loose connections,

tripping circuit breaker.

c. Wire size is too small.

 

replace corroded wiring.

 

c. Replace with proper size wire.

 

d. Discharge line is blocked

d. Disassemble and clean

 

 

between vacuum pump and

 

discharge line.

 

 

holding tank, causing high back

 

 

 

 

pressure.

 

 

 

e. Plugged or defective duckbill valve

e. Disassemble pump and clean or

 

 

in vacuum pump.

 

replace duckbill valves.

 

f.

Plugged holding tank vent line.

f.

Disassemble and clean vent line.

 

g. Pump motor worn or defective.

g. Check motor and replace if

 

 

 

 

necessary.

 

h. Pump bellows clogged with

h. Remove and clean. Use more

 

 

tissue.

 

water during flushing.

 

 

 

12. Vacuum pump emits odor.

a. Loose or defective hose

a. Tighten connections.

 

 

connections on pump.

 

 

 

b. Torn or punctured pump

b. Replace pump bellows.

 

 

bellows.

 

 

 

 

 

13. Blockage between toilet

a. Collapsed vacuum line.

a. Inspect vacuum line for collapsed

and vacuum generator or

 

 

 

condition and replace line.

vacuum tank.

b. Too many elbows or bends in

b. Reconfigure vacuum line to

 

 

vacuum line.

 

reduce number of elbows.

 

c. Improper operation of toilet.

c. Make sure toilet is being

 

d. Flushing foreign objects down

 

operated correctly.

 

d. DO NOT flush any non-

 

 

toilet.

 

dissolving items (i.e. sanitary

 

 

 

 

napkins, facial tissue, wet

 

 

 

 

strength tissue, paper towels,

etc.) or excessive toilet tissue down toilet. Rapid-dissolving SeaLand® toilet tissue is best.

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Dometic 1600, HTS-EC owner manual Troubleshooting Guide
Page 11 Page 13

HTS-EC, 1600 specifications

The Dometic 1600 HTS-EC is a versatile and innovative appliance designed to enhance outdoor experiences, especially for campers, RV enthusiasts, and individuals who enjoy outdoor adventures. This product exemplifies Dometic's commitment to quality, convenience, and performance.

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