E R R O R C O D E S
MN-36008 (Rev. 8) 01/16 • COMBITHERM CT EXPRESS • C-7
ERROR CODES
Error
Code
Error Call Out in Display
Description of Error
Possible Causes
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.
— Double water solenoid valve defective (Y3.)
— Relay board, high voltage, defective.
E92
Communication Error,
RB Does Not Properly
Respond
Communication error
between display board and
relay board
— Faulty ribbon cable connections between boards.
— Faulty ribbon cable.
— Relay board, low voltage, connector defective.
— Display board connector defective.
E93
Communication Error,
FROM Display Board
Communication error
between display board and
low voltage relay board
— Faulty ribbon cable connections between boards.
— Faulty ribbon cable.
— 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
— Faulty ribbon cable connections between boards.
— Faulty ribbon cable.
— Relay board, low voltage, connector defective.
— Display board connector defective.
E98
RB is in Celsius and DB is
in Fahrenheit
Change the unit
confi guration in the setup
menu
— Control programming issue.
— Ribbon cable defective.
— Relay board, low voltage, connector defective.
— Display board connector defective.
E99
RB is in Fahrenheit and DB
is in Celsius
Change the unit
confi guration in the setup
menu
— Control programming issue.
— Ribbon cable defective.
— Relay board, low voltage, connector defective.
— Display board connector defective.
E100
DB version is not equal to
RB version. Error generated
by DB.
Software update may have
failed.
— Perform software update.
— Ribbon cable defective.
— Faulty compact fl ash card.
— Relay board, low voltage, connector defective.
— Display board connector defective.
— Software may need to be updated again.
(CONTINUED ON NEXT PAGE)
Summary of Contents for CT EXPRESS 4 10ESi
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