Bunn Chilled LCC-2 User Manual
23
TROUBLESHOOTING GUIDE (Cont.)
Error Codes (Continued)
LED DISPLAY
ERROR
DESCRIPTION/TROUBLESHOOTING
Tank Temp Sensor Failed
Sensor Reading Out Of Range (High
or Low). Faulty Sensor wiring.
Switch Board Failure
Unable To Communicate With The
Switch Board In The Door. Faulty
wiring between the Door and the Main
Control Board.
39288 072707
Power Supply Failure
Power Supply voltage is outside the
allowable limits (23 - 26 Vdc). Faulty
wiring. Blown fuse inside Power
Supply, failed supply.
Heat Sink Temp Too High
Cool Temp Sensor Failed
Sensor Reading Out Of Range (High
or Low). Faulty Sensor wiring.
Heat Sink Temp Sensor Failed
Sensor Reading Out Of Range (High
or Low). Faulty Sensor wiring.
MENU
(-)
(+)
6
C
E
0 0
MENU
(-)
(+)
7
C
E
0 0
MENU
(-)
(+)
8
C
E
0 0
MENU
(-)
(+)
9
C
E
0 0
MENU
(-)
(+)
0
C
E
0 1
MENU
(-)
(+)
1
C
E
0 1
WARNING: Empty BIB LED’s flash
slowly. Heat Sink Temp above 150°F
(65°C). Check: Air Filter plugged or
blocked, Ambient Operating Temp Too
High >90°F (32°).
FAULT: All LED’s Flash& Chiller Turned
OFF.
Heat Sink Temp above 170°F (77°C).
Check: Air Filter plugged or blocked,
Ambient Operating Temp Too High
>90°F (32°).