Owner's manual

402s Ovens Pt. No. 32Z3522 Issue 6
30
Note : The following Diagnosis procedures may not expose all possible errors but have
been included for general guidance.
Trouble-Shooting Guide
Standard Electrical Checks
• Check that oven is connected to an
Electricl Power supply and that any trip
that supplies the unit is not switched off.
• Check that the oven is switched on.
• Check the Electricl Power supply voltage
at the input terminal block.
• Check that all fuses are intact.
• Check that the overheat stat has not
tripped this can be checked by measuring
the voltage across the Auxiliary
transformer.
Still Have a problem:
Select a Category.
• No Display Page 31
• Cavity Sensor Error Page 33
• Magnetron / Over heat errors Page 34
Standard Food Quality Checks
• Check that the PREHEAT temperature is
set correctly.
See User Manual.
• Check that the food being cooked has
been stored at the correct temperature.
• Check that the correct program is being
used.
Still Have a problem:
Select a Category.
• Cold Food Page 32
• Core TemperaturesLow Page 32
Is the problem Food Quality or Fundamental
Operational Issue?
Food Quality
Fundamental