Bunn ITCB Operating & Service Manual page 59

PROGRAMMING THE BREWER (cont.)
PROGRAMMING FUNCTIONS - LEVEL 2 (cont.)
Procedure to test coil frequency:
1. Press and hold the right hidden button until the dis-
play reads SET LANGUAGE. Press the right hidden
button until the display reads SERVICE TOOLS.
2. Press and release YES. The display should now read
TEST OUTPUTS? Press and release NO to advance
to TEST SWITCHES.
3. Press and release NO to advance to TEST FRE-
QUENCY.
4. The display should now show the frequency of the
sensor coil circuit. This is for diagnostic service
use when troubleshooting this circuit.
5. After the coil has been tested, press and release the
ON/OFF button to return to the MAIN SCREEN.
PRESSING NO WILL
ADVANCE TO
FACTORY DEFAULTS
PRESSING NO WILL
ADVANCE TO
FACTORY DEFAULTS
Page 59
SERVICE TOOLS?
NO YES
BREW BREW BREW
A B C
TEST OUTPUTS?
NO YES
BREW BREW BREW
A B C
TEST SWITCHES?
NO YES
BREW BREW BREW
A B C
TEST FREQUENCY?
NO YES
BREW BREW BREW
A B C
125.0 KHZ
DONE
4
P2885
36748 041504