TROUBLESHOOTING GUIDE

Problem Possible Cause Service Instructions

6. Lifting foot pedal does not add water to the bowl.7. Water leaking from water valve. 8. Water leaking from rear of toilet bowl. 9. Water is leaking from the base/toilet connection.10. Vacuum pump running too often between flushes. (See Vacuum Tester Information on page 9.)11. Vacuum pump will not shut off. 12. Vacuum pump will not run. a. Too much clearance between the cam strap and water valve.a. Water valve body cracked due to freeze damage.b. Water line connection is loose or not seated properly.c. Defective water valve. d. Stripped threads.a. Worn or defective vacuum breaker.b. Loose vacuum breaker.c. Cracked or defective toilet bowl. a. Clamp ring may be loose.b. Ball seals may be worn or defective.a. Water leaks out of bowl between flush ball and ball seal.b. Vacuum line leak.a. A vacuum leak exists.b. Insufficient vacuum (pump creates less than 10 inches Hg).c. Faulty vacuum switch (pump creates more than 10 inches Hg).d. Improper wiring. e. Bellows not pumping.a. No electrical power.b. Loose or broken electrical wiring.c. Improper electrical connections. d. Faulty vacuum switch. e. Faulty motor. f. Shut-down relay prevents pumping. a. Adjust cam strap so clearance is .06 inches (1.5mm) maximum.a. Replace water valve. b. Insure that threads are not cross-threaded and tighten.c. Replace water valve. d. Replace water valve.a. Remove white cap from vacuum breaker. Flush toilet. If water leaks during flush, vacuum breaker needs to be replaced.b. Secure vacuum breaker connection.c. Replace toilet bowl.a. Remove plastic base cover (on applicable models) and tighten the clamp ring.b. Replace ball seals.a. Leave small amount of water in bowl. If water is sucked from bowl, see problems 1 and 2.b. Tighten all connections at toilet, vacuum generator or vacuum hold- ing tank (including hose clamps and threaded spin nuts). If leaks persists, contact SeaLand Product Customer Service.a. See problem 9b.b. Isolate pump and use vacuum gauge to check vacuum levels. Could be a plugged discharge line or worn duckbill valves.c. Replace vacuum switch.d. Refer to wiring diagram to check for proper wiring.e. Tighten set screw in eccentric to motor shaft. Otherwise, check for damage to bellows and motor shaft. Replace if necessary.a. Check input power, circuit breaker and fuse.b. Tighten or reconnect wires at vacuum pump and tank, vacuum generator, or vacuum holding tank.c. Make certain wires at vacuum switch are connected to the “B” terminals. d. To check vacuum switch, short across “B” terminals with jumper wire. e. Replace motor. f. Empty the holding tank. 11