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FAULT CODES
12
NOTE: Door interlock switches are in parallel. See
OVEN SCHEMATICS
, pages 55-63. The fault is moni-
tored during a cook cycle, or in
SELF TEST when the
microwave is on.
F5: Magnetron Over Temperature
Fault is displayed when either magnetron thermo-
stat is “open.”
The fault is cleared from the display at the onset of
a cook cycle if the thermostat is closed or when the
magnetron is successfully tested in
TEST MODE.
F6: EC (Electrical Compartment) Temperature High
Fault is displayed when the EC thermocouple
exceeds 158
º
F (70
º
C). It is monitored once per
minute.
The fault is cleared from the display when the EC
thermocouple temperature is below the indicated
limit.
F7: Thermocouple Open
Fault does not log in counter. Fault is displayed
when the control detects that either the IR or CC
thermocouple is “open.”
999
º
F/C indicates CC thermocouple is “open.”
1999
º
F/C indicates IR thermocouple is “open.”
Fault is cleared when the control detects continuity
on the open thermocouple circuit.
F8: Heat Low
Fault is not logged in counter. Displays during
WARM UP
or SELF TEST
if the cook cavity tempera-
ture (TCC) fails to rise at least 14
º
F (7
º
C) within a
given thirty (30) seconds.
FAULT CODE AND DESCRIPTION WHEN ACTIVE REFER TO
F1: Blower Running Status Bad
F2: Cook Temperature Low
F3: Magnetron Current Low
F4: Door Monitor Defective
F5: Magnetron Over Temperature
F6: EC Temperature High
F7: Thermocouple Open
F8: Heat Low
FAULT CODE TABLE
Fault codes are listed in order of hierarchy. For example, if during cooking the oven experiences an F1
and F2 fault, the oven will report only the F1 fault because the software will halt all actions upon discov-
ering the F1 fault. F7 and F8 faults are displayed on the primary screen and are not displayed or counted
in the Fault Log.
NOTE: All Fault codes listed in bold will terminate a cook cycle upon discovery. Any fault occurring in
a cook cycle will be logged in the Fault Log.
Warm - up
X
X
X
X
Idle Mode
X
X
X
Cook Mode
X
X
X
X
X
X
X
Self-Test
X
X
X
X
X
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Page 14
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