Bunn -O-MATIC ULTRA-1 - Manual (Page 21)

21
TROUBLESHOOTING (cont.)
Clean Filter Messages
“MONTHLY FILTER
CLEAN REQUIRED”
Monthly reminder
Clean filter
“FILTER NEEDS
CLEANING”
“FILTER NEEDS
!!!CLEANING!!!”
Hot gas thermistor
sensing over 220° F
Hot gas thermistor
sensing over 250° F
Dirty filter; air flow blockage;
wrong refrigerant or over charged
Hold ULTRA button for 3 seconds to reset. *
* Early units have to reset to factory defaults in order to reset
Freezing is Disabled
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