Bunn AFPO-3 SL Water Dispenser User Manual


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7
TROUBLESHOOTING
A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems
encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic
Technical Service Department.
• Inspection,testing,andrepairofelectricalequipmentshouldbeperformedonlybyqualiedserviceperson-
nel.
• Allelectroniccomponentshave120voltacandlowvoltagedcpotentialontheirterminals.Shortingof
terminals or the application of external voltages may result in board failure.
• Intermittentoperationofelectroniccircuitboardsisunlikely.Boardfailurewillnormallybepermanent.If
an intermittent condition is encountered, the cause will likely be a switch contact or a loose connection at a
terminal or crimp.
• Solenoidremovalrequiresinterruptingthewatersupplytothevalve.Damagemayresultifsolenoidsare
energized for more than ten minutes without a supply of water.
• Theuseoftwowrenchesisrecommendedwheneverplumbingttingsaretightenedorloosened.Thiswill
help to avoid twists and kinks in the tubing.
• Makecertainthatallplumbingconnectionsaresealedandelectricalconnectionstightandisolated.
• Keepawayfromcombustibles.
WARNING – • Exerciseextremecautionwhenservicingelectricalequipment.
• Unplugthedispenserwhenservicing,exceptwhenelectricaltestsarespecied.
• Followrecommendedserviceprocedures
• Replaceallprotectiveshieldsorsafetynotices
PROBLEM
Product will not dispense
PROBABLE CAUSE
1. No water
2. No power or incorrect voltage to
the dispenser
3. Signal cable unplugged
4. Hopper is full
5. Fuse and fuse holder
REMEDY
Water lines and valves to the dis-
penser must be open.
(A1) Check the outlet for 120 volts
on two wire 120 volt dispensers.
(A2) Check the outlet for 200 volts
or 240 volts ac for two wire 200 volt
or 240 volt dispensers.
(A3) Check the outlet for 230 volts
on two wire 230 volt dispensers.
(B) Check circuit breakers or fuses.
Signal cable must be plugged in.
Product must not be touching probes
to fill.
Refer to Service - Fuse and Fuse
Holder for test procedures. See
page 12
41093 040408
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