Jenn-Air JJW2827IL Fiche Technique page 16

FOR SERVICE TECHNICIAN'S USE ONLY
FAILURE ERROR LIKELY FAILURE CONDITION
E0 Oven user interface ‑ lost communication
Oven appliance manager ‑ lost communication
E6
F6 (main/upper oven)
Oven appliance manager ‑ lost communication
E9
(lower oven)
SUGGESTED CORRECTIVE ACTION PROCEDURE
NOTE: Before starting any test, cycle power to the oven (power off, wait 10
seconds, and power on).
PROCEDURE: Before proceeding, verify the error code by entering the
Diagnostics mode and selecting "Error Diagnostics."
1.
Unplug oven or disconnect power.
2.
Confirm continuity of wiring:
For single ovens: P1‑4 to J15‑3 and P1‑5 to J15‑2.
For double ovens: P1‑4 Upper Copernicus to J15‑3 and P1‑4 Lower
Copernicus to J15‑3.
P1‑5 Upper Copernicus to J15‑2 and P1‑5 Lower Copernicus to J15‑2.
3. Check continuity:
For single ovens: Between P1‑1 and P1‑2.
For double ovens: Between P1‑1 Lower, P1‑2 Lower, and P1‑2 Upper.
4. If continuity has been confirmed, replace the Copernicus Appliance
Manager.
Single Ovens:
N L1
HMI Left J6
CONN 2
CONN 7
1
2 SMPS
14 VDC
15W
BK
WH
Control Panel Assembly
2 J8
1
HMI-C
J4 J5
J7 HMI Right
User Interface
J15
1 2 3 4
BU
OR
1
YL
2
3 YL
4
BR
5
6 1 2 3 4 5
P1
Copernicus
Appliance
1 Manager
BK
2
J8
Double Ovens:
J6
HMI Left
N L1
EOL
1 2
GN
RD/WH
BK
WH
5. Reassemble all parts and panels before operating.
6. Plug in oven or reconnect power.
7. If the error appears again, unplug oven or disconnect power.
8. Replace the HMI‑Central/UI board.
9.
Reassemble all parts and panels before operating.
10. Plug in oven or reconnect power.
11. Follow the on‑screen prompts for model selection if the User Interface was
replaced.
12. Verify operation is normal. Enter Diagnostics mode, select "Error
Diagnostics," and clear the history.
16
J8
2 Control Panel Assembly
1
User Interface
J4 J5 J7
J15
1 2 3 4
YL
BK
OR
GN
2 2
1 1
RD/WH
YL
OR
BU
BK YL
OR
1 2 3 4 5 1 2 3 4 5
P1
P1
Upper Copernicus BK
Lower Copernicus
1
Appliance
1
Appliance
2
2
WH
Manager
J8 Manager
J8
HMI Right