Fault Diagnostics
VIB. Troubleshooting
Dishwasher troubleshooting
Fault |
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| Steps to determine failure |
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| Failure Resolution |
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No power | 1. | Check | wiring | connections | to | 1. | If | dishwasher | connections | are | ||||||
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| dishwasher and if supply voltage is |
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| improper, replace cord / wiring with | ||||||||||
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| ≈ 120V. |
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| minimum 14 awg (rated 75˚C). | If | |||
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| voltage isn’t 120V, check for open | |||
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| 2. Check | if | wiring | connections | at |
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| circuit breakers or fuses. |
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| 2. | If | connectors aren’t seated, reseat | ||||||||||||
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| interference suppressor | (RFI | filter) |
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| them. If connectors are damaged, | ||||||||
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| are properly seated. |
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| replace wire harness. |
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| 3. Disconnect | power | and | check | 3. | Replace parts as follows: |
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| resistance | between | following |
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| terminals. For all measurements, push |
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| on/off switch to close it. |
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| A. Black wires of interference |
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| A. | If resistance is ≈ 0 Ω go to step | |||||||||
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| suppressor (RFI |
| filter) |
| “L1” |
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| 3B. If not, replace interference | |||||
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| terminals. |
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| suppressor (RFI filter). |
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| B. On/off | switch | “L1” | terminals 4 |
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| B. If resistance is ≈ 0 Ω, go to step | |||||||
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| (black wire) and 3 |
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| 3C. If not, replace on/off switch. | |||||||||
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| wire to control). |
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| C. “N” white wire and control |
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| C. | If resistance is ≈ 0 Ω, control is | |||||||||
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| connector |
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| shorted and should be replaced. | |||||||||
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| door closed). |
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| If not, go to step 3D. |
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| D. White wires of interference |
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| D. | If resistance is ≈ 0 Ω, replace | |||||||||
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| suppressor “N” terminals. |
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| on/off switch. If not, replace | |||||||
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| interference suppressor. |
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No heat, | 1. | Run customer service test program |
| 1. If spray arms aren’t turning, see | ||||||||||||
heating |
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| and check if spray arms are turning. |
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| Circulation Pump Not Running. |
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error or | 2. | Measure resistance | between | the | 2. | If | resistance isn’t within the values | |||||||||
NTC error |
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| NTC orange wires. |
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| below, check NTC connections. If | ||||||
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| connections are OK, replace NTC. |
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| 77º F (25ºC) 45840 Ω |
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| 22º F (50ºC) 16542 Ω |
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| 140º F (60ºC) 11067 Ω |
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| 3. Check resistance between red wire |
| 3. If resistance is not ≈ 12 Ω, go to step | ||||||||||||
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| from control to heater thermostat |
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| 4. If resistance is ≈ 12 Ω, go to step 5. | ||||||||||
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| and white or |
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| from flow (pressure switch). Before |
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| measuring, | close |
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| flow |
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| (pressure) microswitch by removing |
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| it from heater housing and pushing |
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| the button. |
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| 4. If thermostat is open (∞ Ω), replace it. | |||||
| 4. | Check |
| resistance |
| between |
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| thermostat | terminals | and between |
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| If heating element is open (∞ Ω), | ||||||||
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| heating element terminals (r1). |
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| replace heater. | If thermostat | and | |||||||
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| heating element aren’t open, replace | |||
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| pressure switch. |
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| 5. With | pressure | switch | removed, |
| 5. If pressure plate moves freely, | |||||||||
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| check if heater pressure plate |
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| replace control. If not, replace heater. | ||||||||||
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| moves freely. |
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