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FAULT CAUSE CORRECTIVE ACTION
Er31
(36-in. models
only)
One fi lter board not confi gured to
work with the other fi lter board.
Press and hold timer up key.
Press and release RF on/off key.
Press and release LF key.
Release timer up key.
Allow display to scroll horizontal bars and beep.
Replace fi lter board.
Er47 Bad communication in the ribbon
cable between touch board and
fi lter board.
Visually check ribbon cable connection from touch
board to fi lter board.
Replace fi lter board.
Er39 Internal electronic failure on
touch board
Replace touch board.
Er20 Internal electronic failure on
touch board
Replace touch board.
Er22 Internal electronic failure on
touch board
Replace touch board.
Ec Touch board is perceiving water
or food on keypanel.
Clean keypanel area. Replace touch board.
Eo Rate of temperature increase is
too fast or temperature at ele-
ment is too high
Check if an empty pan is being heated.
Check for obstruction in fan, wire connections to board.
Check fan vents for air blockage. Replace element.
Diagnostics and Service Information
Failure Codes
The cooktop operates a self-diagnostic mode when power is applied. The touch board has error codes that
can be utilized by the service technician in order to quickly identify failed or improper operation of certain
cooktop components. To access failure codes, simultaneously press the TIMER ON/OFF and CONTROL LOCK
pads
for approximately 10 seconds. Error codes will blink in the window of the corresponding element. The
replacement of the failed component will clear the error code.
Whenever a failure code is encountered and before attempting to replace any components:
Turn off the power supply for 30 seconds, then reset it to see if this clears the failure code.1.
Verify proper voltage and orientation of the power supply wiring connections.2.
(Continued next page)
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