Service manual

E r r o r C o d E s • C o m b i t h e r m C t e x p r e s s t e C h n i C a l s e r v i C e m a n u a l • C – 7
ERROR CODES
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.
— 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.
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