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