Alto-Shaam E03 Error Code
Fan motor error - did not spin within 60 seconds
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Other Alto-Shaam Error Codes
Low water in boiler - probe not satisfied in 5 min
Control compartment temperature high (above 176°F)
VFD communication failure
VFD error - blower fan speed/rotation issue
Convection temperature high - exceeded 572°F for 25+ sec
Boiler temperature high - above 248°F for 25+ sec
Core probe fault - single-point probe defective
Cavity probe fault - temperature probe defective
Drain pump failure
Venting error - vent switch misalignment
Steam temp high - exceeded 395°F in steam/combi mode
Gas ignition failure (gas models)