Owner's manual
SERVICE AND TROUBLE-SHOOTING 
Section 
9
TEMPERATURE 
Temp-1  Temperature too high-
display and reference 
thermometer don’t 
match 
    1/ Controller failed on – call Customer Service. 
2/ Wiring error – call Customer Service. 
Temp-2  Display reads "HI" or 
"400"+ 
    Probe is unplugged or broken – Call Customer Service
Temp-3 Chamber temperature 
spikes over set point 
and then settles to set 
point 
    Recalibrate – see section 7.4 
Temp-4  Temperature too low-
display and reference 
thermometer don’t 
match 
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