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