Fault Diagnostics
| Fault |
| Steps to determine failure |
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| Failure Resolution |
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| Dispenser | 1. | Check if detergent dispenser cover | 1. | Free jammed cover (by opening and |
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| closing it) or replace damaged cover. |
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| operating | 2. | Check | dispenser | harness | 2. | If connectors aren’t seated properly, |
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| or rinse aid |
| connections to rinse aid dispenser, |
| reseat them. If connectors are |
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| not being |
| dispenser actuator (A2) and control. |
| damaged, replace wire harness. |
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| dispensed | 3. | Run customer service test program | 3. | If actuator operates, but doesn’t open |
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| with outer door removed and check |
| detergent dispenser cover or release |
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| if actuator operates. It should |
| rinse aid, replace dispenser linkages. |
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| operate once to open detergent |
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| dispenser door and a second time |
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| to dispense rinse aid. |
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| 4. | Check | resistance | between | 4. | If resistance is not between 2050 - |
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| dispenser actuator terminals. |
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| 2250 Ω, replace dispenser actuator. If |
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| not, replace control. |
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| Will not | 1. Check if house drain line is clogged. | 1. Unclog drain and check operation. |
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| drain | 2. | Check that drain hose is no longer | 2. | Shorten or replace drain hose and |
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| than 150” and includes a 20” high |
| add 20” high loop. |
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| loop. |
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| 3. | Remove garbage disposal plug. |
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| 3. | Check if garbage disposal plug is |
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| removed. |
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| 4. | Check if drain hose is clogged or | 4. | Unclog or replace drain hose. |
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| pinched. |
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| 5. | Unblock | impeller | and | check |
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| 5. | Check if drain pump impeller is |
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| blocked. |
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| operation. |
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| 6. | Run customer service test program | 6. | If current is ≈ 0.68 A and water does |
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| and measure drain pump current |
| not drain, replace drain pump. |
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| while drain pump is activated. |
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| 7. | Check | wiring | connections | at | 7. | If connectors aren’t seated properly, |
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| terminal 1 of float switch (white |
| reseat them. If connectors are |
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| wire), drain motor and control. |
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| damaged, replace wire harness. |
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| 8. | Measure | drain | pump | resistance | 8. | If the resistance is between 23 - 28 Ω, |
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| (between “N” and gray wire from |
| replace control. If not, replace drain |
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| drain pump to control). |
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| pump. |
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| Circulation | 1. | Run customer service test program | 1. | If not filling, see Will Not Fill. |
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| pump not |
| and check if dishwasher is filling |
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| running or |
| with enough water. |
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| dishes still | 2. | Check if water switch failed (i.e. | 2. | Replace heater assembly (with water |
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| dirty |
| check if only one rack is dirty). |
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| switch). |
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| 3. | Run customer service test program | 3. | If current draw is ≈ 11A, go to step 4. |
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| and check incoming current to |
| If not, go to step 5. |
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| dishwasher while the heater is on. |
| 4. | Clear any obstructions from filter and |
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| 4. | Check for clogged spray arms or |
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| filters. |
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| spray arms. |
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| 5. | Check if circulation pump rotates | 5. | If pump doesn’t rotate freely, check |
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| freely with power disconnected. |
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| for obstructions in pump housing. If |
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| there are no obstructions, replace |
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| 6. | Check | that | connections | to |
| pump. |
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| 6. | If connectors aren’t properly seated, |
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| circulation pump motor, door switch |
| reseat them. If connectors are |
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| (e1) and control are seated properly |
| damaged, replace wire harness. |
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| and aren’t damaged. |
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| 7. | Measure | door | switch | resistance | 7. | If the resistance is approximately 0 Ω, |
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| (between door switch terminals 1 |
| replace circulation pump. If not, |
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| and 2) with dishwasher door closed. |
| replace door switch. |
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