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TROUBLESHOOTING GUIDE
Problem | Possible Cause | Service Instructions |
2. Flush ball will not close | a. Clamp ring is overtightened, | a. Loosen clamp ring. |
completely. | causing too much tension on |
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| seal and flush ball. |
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| b. Weak or defective flush lever | b. Check spring tension by letting |
| return spring. | up on flush lever suddenly. |
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| If lever does not snap back, |
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| replace spring cartridge assembly. |
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3. Water does not shut off in | a. Dirt lodged in water valve seat. | a. Disassemble and clean water |
toilet (toilet overflows). | b. Flush lever cam strap is bent | valve. |
| b. Bend front of cam strap up about | |
| down, holding water valve open. | 1/16" (1.6mm). (Model 1606 only) |
| c. Worn or defective water valve. | c. Replace water valve. |
| d. Worn or defective flush lever | d. Replace spring cartridge. |
| return spring. |
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4. Water does not enter toilet | a. Low water pressure. | a. Check incoming water pressure. |
bowl properly. | b. Water valve clogged. | b. Remove and clean filter screen |
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| inside water valve inlet. |
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5. Water leaking from water | a. Loose connection. | a. Tighten bottom cap, inlet fitting |
valve. (See Service Tip on | b. Worn or defective water valve. | and outlet hose clamp. |
page 8.) | b. Replace water valve. | |
| c. Water line connection not seated | c. Remove water line and |
| properly. | assemble correctly. |
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6. Water leaking from rear of | a. Loose hose connection. | a. Tighten hose clamp. |
toilet bowl. | b. Loose vacuum breaker. | b. Check breaker/bowl connection. |
(See Service Tip on page |
| If loose, push breaker into bowl. |
8.) | c. Defective vacuum breaker. | c. Replace vacuum breaker. |
| d. Cracked or defective toilet bowl. | d. Replace toilet bowl. |
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7. Vacuum pump running too | a. Flush ball leaks. | a. Leave small amount of water in |
much between flushes. |
| toilet. If water is sucked from |
(See Vacuum Tester |
| bowl, see problems 1 and 2. |
information on page 7.) | b. Vacuum line leak. | b. Check all piping connections |
| c. Duckbill valves in pump not | between toilet and vacuum tank. |
| c. Disassemble inlet and outlet | |
| sealing. (This problem occurs | fittings on pump and inspect all |
| gradually. The pump takes | four duckbill valves. If valves |
| longer periods of time to | are not sealing, replace them. |
| shut off between flushes.) |
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| d. Pump bellows worn or damaged. | d. Inspect bellows in pump for |
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| small hole or rip. |
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| Replace if necessary. |
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8. Toilet will not flush. | a. Vacuum pump will not run. | a. See problem 9. |
(No vacuum.) | b. Plugged vacuum line between | b. Disconnect line and clear plug. |
| toilet and vacuum breaker. | c. Make certain pump and duckbill |
| c. Duckbill valves or vacuum pump | |
| installed backwards. | valves are installed correctly. |
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| Replace valves if stuck open. |
| d. Vacuum pump inlet or | d. Disassemble and clean. |
| outlet lines plugged. |
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| e. Plugged vacuum tank or vacuum | e. Unplug vacuum tank or vacuum |
| generator. | generator. |
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