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| ERR O R COD ES |
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| Error | Displ ay Show s | Whe n d oes t he e rror |
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| Code | occur? |
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| E42 | B5 Bypass Probe Short to | Bypass steam temperature probe | — B5 bypass steam temperature probe defective | ||
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| Frame | short to ground | — Probe connection problem. | ||
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| E43 | N6 Cavity Probe Short to | Cavity temperature probe short to | — N6 oven cavity temperature probe defective | ||
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| Frame | ground | — Probe connection problem. | ||
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| E44 | N8 Boiler Safety Temperature | Boiler heating element protection | — N8 boiler temperature probe defective. | ||
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| Probe Short to Frame | probe short to ground | — Probe connection problem. | ||
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| E45 | B10 Core Temperature Probe | Multipoint core temperature probe | — B10 multipoint core temperature probe defective. | ||
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| Short to Frame | short to ground | — Probe connection problem. | ||
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| E51 | No Water In Boiler | No water inside steam generator | — Water supply is shut off. | ||
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| — Low water pressure. | ||
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| — Generator drain cap missing or loose. | ||
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| — Generator drain pump is not sealing. | ||
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| — Generator drain pump elbow leaking. | ||
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| — Faulty or scaled water level probe. | ||
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| — Faulty or plugged dual solenoid valve assembly. | ||
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| — Wiring or connection issue. | ||
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| — No output to dual solenoid from relay board. | ||
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| E53 | Fan Motor High Temperature | Fan motor too hot | — Check LED flashes on the motor control | ||
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| (See Motor Control Error Code list). | ||
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| — Motor seized or defective sensor. | ||
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| — Hall sensor does not detect motor rotation. | ||
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| E55 | Vent not open | Browning valve does not open | — Alignment issue between motor cam and vent motor | ||
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| safety switch (micro switch). | ||
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| — Fault vent valve (motor). | ||
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| — Probe connection problem. | ||
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| — Fault vent valve safety switch (micro switch). | ||
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| — Wiring or connection problem. | ||
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| E57 | No rinse water | During rinse no water flow is | — Water supply is shut off. | ||
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| detected trough solenoid valve | — Low water pressure. | ||
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| — Check wiring to all components mention below. | ||
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| — Flow switch dirty or defect. | ||
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| — Double water solenoid valve defective (Y3.) | ||
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| — Relay board, high voltage, defective. | ||
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| E93 | Communication Error, FROM | Communication error between | — Check ribbon cable connections mention below. | ||
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| Display Board | display board and low voltage | — Ribbon cable defective. | ||
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| relay board | — Relay board, low voltage, connector defective. | ||
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| — Display board connector defective. | ||
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| E94 | Communication Error, TO | Communication error between | — Check ribbon cable connections mention below. | ||
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| Display Board | display board and low voltage | — Ribbon cable defective. | ||
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| relay board | — Relay board, low voltage, connector defective. | ||
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| — Display board connector defective. | ||
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| E96 | Communication Error, TO | Communication error between | — Check ribbon cable connections mention below. | ||
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| RBL | display board and low voltage | — Ribbon cable defective. | ||
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| relay board | — Relay board, low voltage, connector defective. | ||
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| — Display board connector defective. | ||
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| E97 | Communication Error, FROM | Communication error between | — Check ribbon cable connections mention below. | ||
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| RBL | relay board, high voltage and | — Ribbon cable defective | ||
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| relay board, low voltage | — Relay board, low voltage, connector defective. | ||
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| — Relay board, high voltage, connector defective. | ||
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| Motor Control Error | Internal motor control | See Motor Control Error chart on following page. | ||
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COMBITOUCH™ ES SERIES • ELECTRIC INSTALLATION MANUAL • 30 .