Troubleshooting Guide - Merrychef 402s Service & Parts Manual

Trouble-Shooting Guide
Is the problem Food Quality or Fundamental
Food Quality
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.
• 2.0 Cold Food
• 2.0 Core Temperatures Low
Note : The following Diagnosis procedures may not expose all possible errors but have
been included for general guidance.
Operational Issue?
o.
402s Ovens Part. N
35
Fundamental
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
• 1.0 No Display
• 3.0 Cavity Sensor Error
• 4.0 Magnetron / Over heat errors
32Z3539 Issue 5
.