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B3000 SERVICE MANUAL
60-200807-000, REV C 35
3. Diagnostics – Error Codes:
The B3000 contains real-time error detection. There are a number of operational errors that, if
encountered, will disable the brewer, produce an error code onto the LCD display, and will also flash all
4 buttons on the front panel LED’s to attract attention. The power may be cycled to attempt to clear the
error, but if it occurs again, the same message will be displayed.
Below is a summary of all errors, their meanings and the menu messages.
ERROR CODES MESSAGE DISPLAY PROBABLE CAUSE
01
ERROR – TCO HIGH OPEN
CALL FOR SERVICE
000-000-0000
MODULES: POWER, HWT
02
ERROR – TCO LOW OPEN
CALL FOR SERVICE
000-000-0000
MODULES: POWER, HWT
03
ERROR – DESCALE NOW
CALL FOR SERVICE
000-000-0000
DESCALE REQUIRED
04
ERROR – CHECK WATER SUPPLY
CALL FOR SERVICE
000-000-0000
MODULES: CWT, POWER
05
ERROR – RUNAWAY FILL
CALL FOR SERVICE
000-000-0000
MODULES: CWT, POWER
06
ERROR – LOW TANK FROZEN
CALL FOR SERVICE
000-000-0000
PREHEAT TANK COLD
MODULES: HWT
07
ERROR – HIGH TANK FROZEN
CALL FOR SERVICE
000-000-0000
BREW TANK COLD
MODULES: HWT
08
ERROR – LOW TANK HI TEMP
CALL FOR SERVICE
000-000-0000
MODULES: POWER, HWT
09
ERROR – HIGH TANK HI TEMP
CALL FOR SERVICE
000-000-0000
MODULES: POWER, HWT
10
ERROR – COIN JAM
CALL FOR SERVICE
000-000-0000
MODULES: COIN MECH