Troubleshooting Guide
Toilet base assembly | Sealing |
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| Grommet |
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Check Valve |
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SERVICE MODE |
| Bowl Seal |
Toggle Switch |
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(alternate location |
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on some models) |
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| Flush Ball Seal |
Electric Water |
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Valve |
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| Retaining Ring |
Filter |
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Screen |
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| Motor | Flush Ball |
Drive Arm |
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Linkage |
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| Rotor Shaft Cam |
| Flush |
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| Spring |
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| Cam Switch |
| Circuit Board |
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Problem | Possible Cause | Service Instructions | |
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1. Water does not enter bowl | a. Toilet fuse is blown or circuit | a. Check toilet fuse or circuit | |
and toilet does not flush. | breaker is tripped. | breaker. | |
| b. Loose wiring connections. | b. Check for loose or defective | |
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| wiring at circuit board pins 9 |
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| and 10. |
| c. Incorrect wiring of toilet to | c. Check for reverse polarity of | |
| incoming power. | incoming power. | |
| d. Defective circuit board. | d. Replace circuit board. | |
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| |
2. Water enters toilet bowl, but | a. Electrical failure from flush switch | a. Check for loose or defective | |
toilet does not flush. | to toilet. |
| wiring between flush switch |
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| and circuit board pins 2 and 4. |
| b. Flush switch may be defective. | b. Replace if necessary. | |
| c. Loose flush ball | motor wires. | c. Check for loose wires between |
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| motor and circuit board pins 17 |
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| and 18. |
| d. Defective flush | ball motor. | d. Replace if necessary. |
| e. Flush ball motor drive arm failure. | e. See page 15 for replacement | |
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| instructions. |
| f. Drive linkage failure. | f. See page 15 for replacement | |
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| instructions. |
| g. 4800L & 4800WL series require | g. Check for loose or defective | |
| “OK to Flush” light to be lit for | wires between vacuum switch | |
| toilet to flush. |
| on vacuum generator and pin 6 |
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| of circuit board. |
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