KitchenAid KEBS278SSS Technical Guide - Page 80

FAILURE, Leftmost, Clock, Digits, ERROR, Rightmost, MESSAGE/DESCRIPTION, SUGGESTED CORRECTIVE ACTION

Page 80 highlights

FAILURE ERROR (Leftmost (Rightmost 2 Clock 2 Clock Digits) Digits) MESSAGE/DESCRIPTION SUGGESTED CORRECTIVE ACTION PROCEDURE TO VERIFY DOOR LATCH SWITCH/MOTOR ASSEMBLY: A. While in Diagnostics, press the CLEAN key within the first 120 seconds of power up to cycle the latch motor to the locked position. "1" should display in the first clock digit from the left when locked. Press the CLEAN key to cycle the latch motor to the unlocked position. The first clock digit should toggle to "0" when the door is unlocked. If the digit did not toggle, go to step B. If motor runs continuously, wait until motor reaches the unlocked position, open the door and press the OFF key. Go to step B. If motor did not run go to step H. If the digit did not toggle after replacing the door latch motor assembly, go to step D. If the digit did not toggle after replacing the door switch harness, go to step F. If the digit did toggle, door latch switch is operating correctly. B. Unplug oven or disconnect power. C. Replace door latch motor assembly. Go to step K. D. Unplug oven or disconnect power. E. Check integrity of all harness wires and connections between the appliance manager and the door latch switch assembly. Ensure no wires are pinched or damaged. If the wiring harness is damaged replace the door latch switch harness. Go to step K. If wiring is good go to step K. F. Unplug oven or disconnect power. G. Replace appliance manager. Go to step K. H. Unplug oven or disconnect power. I. Check integrity of latch mechanism, ensuring alignment of latch assembly and door slot. Correct any mechanical malfunction. J. Check continuity of the latch motor and electrical connections between the appliance manager P8 and motor. If continuity is present, replace appliance manager. Go to step K. If continuity is not present, go to step K. K. Replace all parts and panels before operating. L. Plug in oven or reconnect power. M. Press OFF, OFF, START to reenter the Diagnostic mode and complete checks. Repeat step A. FAILURE ERROR (Leftmost (Rightmost 2 Clock 2 Clock Digits) Digits) MESSAGE/DESCRIPTION SUGGESTED CORRECTIVE ACTION PROCEDURE F6 E0 LOST COMMUNICATIONS PROCEDURE: Before proceeding, press OFF, OFF, START to enter Diagnostic mode and verify the error codes. Ensure AM software, UI software and EEPROM CHECKSUM versions appear on the lower text line. If AM software version does not appear, UI and AM may not be communicating. A. Unplug oven or disconnect power. B. Open the back panels and make sure the P6 connector on the appliance manager and P2 connector on the user interface are fully inserted. If it is not, plug in to the connector and proceed to step F. If it is plugged in, go to step C. C. Visually inspect all the wires between P6 on the appliance manager and P2 on the user interface. Make sure wires are not cut or pinched. If the wires appear to be intact, perform a continuity check between P6-1 of the appliance manager and P2-1 of the user interface board. Complete for P6-2 (AM) to P2-2 (UI), P6-4 (AM) to P2-4 (UI), and P6-5 (AM) to P2-5 (UI). All the measurements made should be less than 5 Ω. If any of these measurements exceed the 5 Ω, go to step E. If the measurements are less than 5 Ω reconnect P2, go to step D. D. Replace the appliance manager. Go to step F. E. Replace the wiring harness (signal). Go to step F. F. Ensure all wiring connections are properly inserted. G. Replace all parts and panels before operating. H. Plug in oven or reconnect power. Observe for longer than 60 seconds to determine if error has been repaired. I. If error does not appear, initiate a bake cycle. Let the cycle run for at least 60 seconds. If no error occurs, cancel the cycle, the problem has been repaired. If error occurs again, restart the troubleshooting procedure at step A. (Except in step D, replace the user interface board if appliance manager has already been replaced.) 6-4

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6-4
FAILURE
(Leftmost
2 Clock
Digits)
ERROR
(Rightmost
2 Clock
Digits)
MESSAGE/DESCRIPTION
SUGGESTED CORRECTIVE ACTION PROCEDURE
TO VERIFY DOOR LATCH SWITCH/MOTOR ASSEMBLY:
A.
While in Diagnostics, press the CLEAN key within the first 120 seconds of power
up to cycle the latch motor to the locked position. “1” should display in the first
clock digit from the left when locked. Press the CLEAN key to cycle the latch
motor to the unlocked position. The first clock digit should toggle to “0” when the
door is unlocked.
If the digit did not toggle, go to step B.
If motor runs continuously, wait until motor reaches the unlocked position, open
the door and press the OFF key. Go to step B.
If motor did not run go to step H.
If the digit did not toggle after replacing the door latch motor assembly, go to
step D.
If the digit did not toggle after replacing the door switch harness, go to step F.
If the digit did toggle, door latch switch is operating correctly.
B.
Unplug oven or disconnect power.
C.
Replace door latch motor assembly. Go to step K.
D.
Unplug oven or disconnect power.
E.
Check integrity of all harness wires and connections between the appliance
manager and the door latch switch assembly. Ensure no wires are pinched or
damaged.
If the wiring harness is damaged replace the door latch switch harness. Go to
step K.
If wiring is good go to step K.
F.
Unplug oven or disconnect power.
G.
Replace appliance manager. Go to step K.
H.
Unplug oven or disconnect power.
I.
Check integrity of latch mechanism, ensuring alignment of latch assembly and
door slot. Correct any mechanical malfunction.
J.
Check continuity of the latch motor and electrical connections between the
appliance manager P8 and motor.
If continuity is present, replace appliance manager. Go to step K.
If continuity is not present, go to step K.
K.
Replace all parts and panels before operating.
L.
Plug in oven or reconnect power.
M.
Press OFF, OFF, START to reenter the Diagnostic mode and complete checks.
Repeat step A.
FAILURE
(Leftmost
2 Clock
Digits)
ERROR
(Rightmost
2 Clock
Digits)
MESSAGE/DESCRIPTION
SUGGESTED CORRECTIVE ACTION PROCEDURE
F6
E0
LOST COMMUNICATIONS
PROCEDURE:
Before proceeding, press OFF, OFF, START to enter Diagnostic
mode and verify the error codes. Ensure AM software, UI software and EEPROM
CHECKSUM versions appear on the lower text line. If AM software version does not
appear, UI and AM may not be communicating.
A.
Unplug oven or disconnect power.
B.
Open the back panels and make sure the P6 connector on the appliance
manager and P2 connector on the user interface are fully inserted. If it is not,
plug in to the connector and proceed to step F. If it is plugged in, go to step C.
C.
Visually inspect all the wires between P6 on the appliance manager and P2 on
the user interface. Make sure wires are not cut or pinched. If the wires appear to
be intact, perform a continuity check between P6-1 of the appliance manager
and P2-1 of the user interface board. Complete for P6-2 (AM) to P2-2 (UI),
P6-4 (AM) to P2-4 (UI), and P6-5 (AM) to P2-5 (UI). All the measurements
made should be less than 5
.
If any of these measurements exceed the 5
, go to step E.
If the measurements are less than 5
reconnect P2, go to step D.
D.
Replace the appliance manager. Go to step F.
E.
Replace the wiring harness (signal). Go to step F.
F.
Ensure all wiring connections are properly inserted.
G.
Replace all parts and panels before operating.
H.
Plug in oven or reconnect power. Observe for longer than 60 seconds to
determine if error has been repaired.
I.
If error does not appear, initiate a bake cycle. Let the cycle run for at least
60 seconds.
If no error occurs, cancel the cycle, the problem has been repaired.
If error occurs again, restart the troubleshooting procedure at step A.
(Except in step D, replace the user interface board if appliance manager has
already been replaced.)