Failure/Error Display Codes - KitchenAid KEMS378S Technical Education

PRECAUTIONS TO BE
OBSERVED BEFORE AND
DURING SERVICING TO AVOID
POSSIBLE EXPOSURE TO
EXCESSIVE MICROWAVE ENERGY
a. Do not operate or allow the oven to be
operated with the door open.
b. Make the following safety checks on all
ovens to be serviced before activating the
magnetron or other microwave source,
and make repairs as necessary:
1. Interlock Operation
2. Proper Door Closing
3. Seal and Sealing Surfaces (Arcing,
Wear and Other Damage)
4. Damage to or Loosening of Hinges
and Latches
5. Evidence of Dropping or Abuse
c. Before turning on microwave power for
any service test or inspection within the
microwave generating compartments,
check the magnetron, waveguide or
transmission line and cavity for proper
alignment, integrity and connections.
d. Any defective or misadjusted components
in the interlock, monitor, door seal, and
microwave generation, and transmission
systems shall be repaired, replaced, or
adjusted by procedures described in ser-
vice manual before the oven is released
to the owner.
e. A microwave leakage check to verify
compliance with the Federal performance
standard should be performed on each
oven prior to release to the owner.
f. Do not attempt to operate the oven if the
door glass is broken.
FAILURE / ERROR DISPLAY CODES
Before proceeding with any corrective action,
perform the following steps to enter the Diag-
nostic mode.
1. Press the OFF key.
2. Press the OFF key.
3. Press the START key. If control does not
enter Diagnostics, repeat steps.
Screen 1:
A. Main clock hours display shows latch state
in first display position, and door state in
second position.
B. Main clock minutes display show the model
select state associated with control system.
C. Main temperature display shows the cavity
temperature.
D. Lower text line shows software versions for
appliance manager (AM), user interface (UI)
and EEPROM version.
Press key #6 to scroll to next screen.
Screen 2:
Screen displays programmed cavity size.
Press key #6 to scroll to next screen.
Screen 3:
Displays the last error code in memory. If
GOOD is displayed there is not an error coded
in memory.
To Clear Last Error Code
A. Unplug oven or disconnect power.
B. Wait 10 seconds, reconnect or plug in oven.
C. Enter Diagnostics mode by pressing OFF,
OFF, START.
D. Press key #6 to show cavity size select
screen.
E. Press key #6 to show error code.
F. To edit press CLOCK key
G. Press START key to clear last error. Control
should display GOOD.
Troubleshooting Key strokes
• Press the Bake key activates Bake relay.
• Press Broil key once to activate Outer Broil,
press again for Inner Broil.
• Press Convect Bake key activates Convect
Ring and Fan.
• Press Self Clean key activates Latch Motor.
• Press Cook time key once to activate low
speed, press again for high speed.
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