Alto-Shaam AR-7T

TROUBLESHOOTING
Sel f -Cl e aning Ro ti s ser i e O v e n ▪ Ser v i ce M anual ▪ MN- 392 4 3 ▪ Rev 1 ▪ 2/19
51
TROUBLESHOOTING
AR-7T Error Codes
Code Description Possible Cause
PROG Fatal error, call service. Programmer error.
EADC
ADC is out of range.
Microprocessor on the control board (CB) may
be failing. May have cold solder joint on the
CB.
E-BC Bootloader Chip is bad. Software updates cannot be
performed.
Chip may have cold solder joint or other
electrical distress.
E-CB Control board and interface board software do not
match. Update the software.
Control board or Interface board version is
not current.
E-B0 PCB temperature sensor is short-circuited. Board failure.
E-B1 PCB temperature sensor is open-circuit. Board failure.
E-B2 PCB is over-temperature of 70°C. Possible cooling fan failure in the control area.
Possible runaway heater.
Possible that we are too close to another piece
of equipment or have inadequate ventilation.
E-I0 Short circuit in-line water heater sensor. Sensor wires damaged.
E-I1 Open circuit in-line water heater sensor. Sensor wires damaged.
E-I2 Water heater sensor over temperature Sensor above 200ºF (93.3ºC)
E-SD SD card is not detected. SD card slot is bad.
SD card is not present.
E-10 N6 cavity sensor is short-circuit. Error at sensor input.
Wrong RTD type (100Ω vs. 1000Ω). Check
wiring.
Board may be bad at sensor input.
E-11 N6 cavity sensor is open-circuit. Error at sensor input.
Wrong RTD type (100Ω vs. 1000Ω). Check
wiring.
Board may be bad at sensor input.
E-12 Water heater sensor over temperature Sensor above 200ºF (93.3ºC)
E-41 Touch driver is detected, but not responding to
queries.
Touch chip error on board.
E-43 Touch driver is missing. Touch chip error on board.
E-44 Touch driver is detected, but not responding to
queries.
Touch chip error on board.
E-53 Motor high-limit is open. Motor is too hot, and high-limit is legitimately
open. Wiring to motor is incorrect.
Board issues reading motor high-limit input
switch.
E-55 Vent valve error, contact service. Vent valve malfunction.
E-66 Control board reset but interface board did not. Electrical noise.
E-70 Personality wiring is incorrect, does not equate to a
supported configuration.
Personality wiring is incorrect.
Broken wire.
Board issues reading personality jumpers. Old
software with new configuration.