ERROR CODES
Error | Error Call Out in Display | Description of Error | Possible Cause |
Code |
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E57 | No Rinse Water | During rinse no water | — Water supply is shut off. |
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| flow is detected through | — Low water pressure . |
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| solenoid valve | — Check wiring to all components mentioned below. |
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| — Flow switch is dirty or defective. |
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| — Dual water solenoid valve obstructed or |
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| faulty (Y3.) |
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| — Relay board, high voltage, defective. |
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E93 | Communication Error, | Communication error | — Check ribbon cable connections mentioned below. |
| FROM Display Board | between display board and | — Ribbon cable defective . |
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| low voltage relay board | — Relay board, low voltage, connector defective . |
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| — Display board connector defective . |
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E94 | Communication Error, | Communication error | — Check ribbon cable connections mentioned below. |
| TO Display Board | between display board and | — Ribbon cable defective . |
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| low voltage relay board | — Relay board, low voltage, connector defective . |
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| — Display board connector defective . |
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E98 | RB is in Celsius and DB is | Conflict of unit configuration | — Relay board and Data board do not match, use |
| in Fahrenheit | in the setup menu | setup menu to change format. |
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E99 | RB is in Fahrenheit and DB | Conflict of unit configuration | — Relay board and Data board do not match, use |
| is in Celsius | in the setup menu | setup menu to change format. |
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E100 | DB is not equal to RB | Software update may | — Check ribbon cable connections. |
| version. Error generated | have failed. | — Ribbon cable defective . |
| by DB. |
| — Relay board, low voltage, connector defective . |
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| — Display board connector defective . | |
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| — Software may need to be updated again . |
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E101 | DB is not equal to RB | Software update may | — Check ribbon cable connections. |
| version. Error generated | have failed. | — Ribbon cable defective . |
| by RB. |
| — Relay board, low voltage, connector defective . |
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| — Display board connector defective . | |
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| — Software may need to be updated again . |
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E102 | Ventless Hood Fault – | Filter safety switches are | — Check filters are installed and properly seated. |
| Filters Not Present | not properly activated . | — Check filter switches are not damaged, defective |
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| or dislodged . |
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E103 | Ventless Hood Fault – No | Pressure safety switch is | — Check power switch is on. |
| Pressure | not properly activated . | — Check vent motor is turning in the proper |
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| direction . |
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| — Pressure switch is |
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CT EXPRESS SERIES • INSTALLATION MANUAL •
