Alto-Shaam COMPITHERM 2020ESG - Manual (Page 29)

COMBITOUCH TM ESG SERIES • GAS INSTALLATION MANUAL • 27.
see motor control error chart on next page
INSTALLATION
CombiTouch ERROR CODES
Error
Code Error call out in Display Description of Error Possible reason
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 Cesius and DB is in
Fahrenheit Confl ict of unit confi 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 Cesius Confl ict of unit confi guration
in the setup menu — Relay board and Data board do not match, use
setup menu to change format.