Technical Information
60
MasterChef Ovens
6.1.2 H 4xxx Models
Figure 6-2: Overview of H 4xxx Series Electronic Boards
6.2 Fault Code Summary
F 05
NTC sensor short circuit
F 06
NTC sensor open circuit
F 07
Catalyst temperature sensor short circuit
F 09
Catalyst temperature sensor open circuit
F 23
Self-clean preheat fault (460° was not reached in the allotted time)
F 32
Door lock not locking during self-clean mode.
(Fault is stored after 20 seconds if the door lock position switch has not changed state.)
F 33
Door lock not unlocking after self-clean mode.
(Fault is stored after 20 seconds if the door lock position switch has not changed state.)
F 43
Model number not programmed correctly
F 44
Model number not programmed correctly
F 54
Roast probe short circuit
F 55
The oven did not automatically turn off after a specified time of operation (function-
dependent). Check thermostats.
F 60
The temperature of the electronic is too high. Check for air flow restriction(s).
Table 6-1: Fault Codes