Merrychef 402s User Manual
Page 15

15
TROUBLESHOOTING
Cooking Issues
Core temperatures not achieved
Wrong program used
settings wrong
Identify correct program
check settings
Invalid temperature
Oven display
message
No display
Oven not ready
Cavity sensor
Mag OH
Ambient temperature
Invalid time
MenuKey error
Display reads ‘READY’
program will not start
Possible causes
Oven not switched on
no electrical supply to oven
Oven is warming up
Cavity sensor not working
correctly
Magnetron overheating
blocked air filter
failed magnetron
Oven overheating
Cooking time is more than
10 minutes
PREHEAT temperature and
program temperature
do not match
MenuKey is invalid
Door not closed properly
Solutions
Switch oven on
check power supply
call service engineer
Wait until oven reaches ready
state
Call service engineer
clean air filters at base of oven
call service engineer
clean air filters at base of oven
call service engineer
Enter a stage time 10.00 minutes
or less
Check PREHEAT temperature
in configuration set-up
Try downloading again
Request new MenuKey
Close door