CT EXPRESS SERIES • INSTALLATION MANUAL • MN-29805 • 26.
ERROR CODES
Error
Code
Error Call Out in Display Description of Error Possible Cause
E57
No Rinse Water During rinse no water
fl ow is detected through
solenoid valve
— Water supply is shut off.
— Low water pressure.
— Check wiring to all components mentioned below.
— Flow switch is dirty or defective.
— Dual water solenoid valve obstructed or
faulty (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 mentioned 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 mentioned below.
— Ribbon cable defective.
— Relay board, low voltage, connector defective.
— Display board connector defective.
E98
RB is in Celsius and DB is
in Fahrenheit
Confl ict of unit con guration
in the setup menu
— Relay board and Data board do not match, use
setup menu to change format.
E99
RB is in Fahrenheit and DB
is in Celsius
Confl ict of unit con guration
in the setup menu
— Relay board and Data board do not match, use
setup menu to change format.
E100
DB is not equal to RB
version. Error generated
by DB.
Software update may
have failed.
— Check ribbon cable connections.
— Ribbon cable defective.
— Relay board, low voltage, connector defective.
— Display board connector defective.
— Software may need to be updated again.
E101
DB is not equal to RB
version. Error generated
by RB.
Software update may
have failed.
— Check ribbon cable connections.
— Ribbon cable defective.
— Relay board, low voltage, connector defective.
— Display board connector defective.
— Software may need to be updated again.
E102
Ventless Hood Fault –
Filters Not Present
Filter safety switches are
not properly activated.
— Check lters are installed and properly seated.
— Check lter switches are not damaged, defective
or dislodged.
E103
Ventless Hood Fault – No
Pressure
Pressure safety switch is
not properly activated.
— Check power switch is on.
— Check vent motor is turning in the proper
direction.
— Pressure switch is mis-wired or defective.
