F-Code Access; Service Mode - GE JK1000 Technical Service Manual

Accessing F-CODES and SERVICE MODES
T012 Controls
F-codes should be accessed before going into service mode. To access codes, press and hold simultaneously
the numbers. 1 + 3 + 0.
The display will show F-cd in the center. Then press the #2 pad, it will display a 1 to the left of f-cd and F## to
the right if error logged. If more than 1 code is stored, pressing the #2 will advance to next error. If pressing
#2 gives a double beep it indicates last error.
To clear error codes, press and hold the 6 and 8 pads together. The display will show ErasE and exit, upon
exiting the control will reset, enabling the tech to forgo resetting the power to access the service mode.
A 5-minute timer, transparent to the user, shall be activated at power-up. During this time, the Service Mode
shall be entered by pressing and holding the "1" and "5" keys simultaneously for 3 seconds.
When the Service Mode is entered, the word "tESt" shall appear in the time digits until it is superseded by the
CRC or Software version or until the mode is canceled.
When the Service Mode is entered, the current RTD temperature shall appear in the temperature digits of
each oven. After the Service Mode is entered, different keys shall be used to test different relay outputs. The
Upper and Lower oven keys, on a double oven, shall be used to alternate the oven which the mode keys
activate. Each key press shall turn on the associated load. Each load shall turn off when one of the following
conditions is met: the same key is pressed again; or another key has been pressed; or 10 seconds has passed
after the key has been released.

F-CODE ACCESS

SERVICE MODE

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26
GE Title or job number
11/26/2013