Displayed
Error Code
Error Condition Software Logic Description
C01 Shorted Key Failure Release of Key not seen in 2 mionutes. Membrane Shorted Key Failure
C23
OCC Ambient Over
Temp
Control Board Ambient temp is above 80°C. Oven shuts down with the cooling fans turns ON until the
ambient temp falls to 50°C. Possible Cause: Open door Broiling. Instruct customer to leave oven door
shut during Broil.
C24
Ambient Temp
Thermistor open
Control Board Open thermistor detected.
C25
Ambient Temp
Thermistor shorted
Control Board Shorted thermistor detected.
C34
Ambient Temp
Thermistor open
Relay Board Open thermistor detected.
C35
Ambient Temp
Thermistor shorted
Relay Board Shorted thermistor detected.
C42
E2 Checksum Failure
on Control board
E2 - Checksum failure in LSI controller - Calculated checksum does not agree with stored checksum,
replace LSI controller.
C43
Wire Connection Error
at Control and/or Relay
Board
Not all of the pin connectors from the wire harness are making contact with their respective terminal at
the Control and/or Relay Boards. Check to make sure that all pins are seated properly in to the Molex
plug and that each connector is properly making contact with the correct terminal at the Control and/or
Relay Board. Wires to Relay Board and Controller should ONLY be removed with POWER OFF
to
unit or C43 WILL occur. This error is not reversible. Controller will need to be replaced.
C44
Checksum Failure on
Control board
Calculated FLASH checksum does not agree with the stored FLASH checksum.
C76
Incorrect oven type:
Single/Double
Displays error after 3 seconds of sensing an incorrect configuration. Ex: Double Oven Controller installe
in Single oven. This error is reversible.
C77
No Connection to
Keypad
Keypad detection error. Check connection at Capacitive Touch Panel
U20 / L20
Cook over tem
Center of oven cavit
tem
eratures above the maximum bounds of 610°F
U21 / L21
Clean over tem
Center of oven cavit
tem
eratures above the maximum bounds of 890°F.
U30 / L30 Open RTD Fatal Error. Continuous A/D values over maximum bounds.
U31 / L31 Shorted RTD Fatal Error Continuous A/D values over minimum bounds.
U50 / L50 Latch Lock Failure Fatal Error. The door lock is not detected while locking the door.
U51 / L51 Latch Phase Failure The door phase switch (LATCH NC) is not detected while locking the door.
U55 / L55
Latch Motor Failure
Latch Motor not running. Check for power supplied to latch motor. If power is supplied to motor but will
not run, replace latch assembly. Otherwise, trace wires to find failure.
U80
Shorted meat probe The meat probe for the upper oven is shorted
PG: 13
Oven Errors U = UPPER OVEN / L = LOWER OVEN
Sensor value reading(s) - LSI Controller is checking sensor(s) over temp value are correct - ohm
sensor(s), if ok replace LSI controller.
Control Errors
C41
A/D Reference
Readings
Relay Board Ambient temperature is above 80°C. Oven shuts down with the cooling fans turns ON until
the ambient temp falls to 50°C. Possible Cause: Open door Broiling. Instruct customer to leave oven
door shut during Broil.
C33
OCC Ambient Over
Temp
DACOR RENAISSANCE OVEN & DISTINCTIVE OVEN/RANGE ERROR CODES
(35 strony)
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