Panasonic NE-3280 Service Manual page 27

DISPLAY CONDITIONS
F89 Shorted contacts of RY-
9
[TROUBLE] Oven does not operate at all or oven does not start cooking. NE-2180, NE-2180C
DISPLAY CONDITIONS
F33 Open temperature
sensor (exhaust)
F34 Short temperature
sensor (exhaust)
F44
F01 Exhaust temperature
(With continuous exceeds 120°C
beep sounds)
F03 Input voltage exceed
+ 12.5%
F04 Input voltage is less
than — 12.5%
F05 Memory failure
No display 1.25A fuse blown
No display 1.25A fuse is OK
F81 No voltage supply to
high voltage
transformer. (left)
F84 No voltage supply to
high voltage
transformer. (right)
F86 Shorted contacts of RY-
3
F89 Shorted contacts of RY-
9
POSSIBLE CAUSE
1. Relay failure RY-9 (D)
2. Digital programmer circuit failure
POSSIBLE CAUSE
1. Temperature sensor failure
2. Digital programmer circuit failure
3. Loose connector CN5
1. Temperature sensor failure
2. Digital programmer circuit failure
1. Shorted membrane switch
1. Burning food in the oven due to over cook
1. Increase in power source voltage
1. Decrease in power source voltage
1. Digital programmer circuit failure
1. Low-Voltage transformer failure
1. Thermal cutout failure
2. Low voltage transformer failure
3. Digital programmer circuit failure
1. Relay failure RY-3 (A)
2. Loose connector CN256, CN257
3. Digital programmer circuit failure
1. Relay failure RY-9 (C)
2. Loose connector CN262, CN257
3. Digital programmer circuit failure
1. Relay failure RY-3 (A)
2. Digital programmer circuit failure
1. Relay failure RY-9 (D)
2. Digital programmer circuit failure
27
NE-3280 / NE-2180 / NE-2180C
TIMING OF FAILURE INDICATION
It is appeared when failure occured.
TIMING OF FAILURE INDICATION
It is appeared when failure occured.
It is appeared when failure occured.
It is appeared 2 minutes after failure
occured.
It is appeared when exhaust temperature
exceeds above 120°C.
It is appeared when the unit is plugged in.
Note that it returns normal operation mode
by tapping the STOP pad.
It is appeared when the unit is plugged in.
Note that it returns normal operation mode
by tapping the STOP pad.
It is appeared when failure occured.
It is appeared when failure occured.
It is appeared when failure occured.
It is appeared when failure occured.