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CT EXPRESS STEP BY STEP OPERATION MANUAL • 55
ERROR CODES
Error
Code
Error Call Out in Display Description of Error Possible Cause
E101
DB version is not equal to
RB version. Error generated
by RB.
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.
E102
Ventless Hood Fault —
Filters Not Present
Filter safety switches are not
properly activated.
— Grease and/or charcoal fi lter not installed.
— Faulty fi lter switch.
— Poor connection at safety switch or relay board.
E103
Ventless Hood Fault –
Pressure Failure
Ventless hood operation
failure.
— Hood power switch not turned to the on position.
— Hood power switch defective.
— Hood fan not operating.
— Filter(s) clogged/need replacement.
— Pressure switch tube plugged or disconnected.
— Faulty pressure switch or connection error/failure.
— Hood fan turning in the wrong direction.
E104
Ignition Failure Attempt for ignition. — Gas supply disconnected or turned off.
— Gas supply pressure too low/too high.
— Gas valve not being energized by ignition control.
— Ignition control not creating a spark.
— Faulty spark wire and/or igniter.
— Faulty fl ame sense wire or sensing wire connection.
— Faulty ignition control.
— Blocked or obstructed fl ue pipe(s).
E105
Low Water Pressure Low or no water pressure to
oven.
— Water supply not connected or turned off.
— Water pressure too low.
— Solenoid valve not being energized.
— Solenoid valve not opening.
— Pressure switch faulty.
— Poor connection at pressure switch and/or relay
board.
E106
Cleaning Pump Fault Cleaning pump is not
running.
— Cleaning pump motor not being energized.
— Cleaning pump faulty.
— Poor connection at pump motor and/or relay board.
— Hall effect sensor wiring/connection error/failure.
E107
Boiler Drain Pump Fault Boiler drain pump is not
running.
— Boiler drain pump motor not being energized.
— Boiler drain pump faulty.
— Poor connection at pump motor and/or relay board.
— Hall effect sensor wiring/connection error/failure.
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