Troubleshooting - Bunn VP17A Operating & Service Manual

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 qualified service person-
nel.
• This brewer is heated at all times. Keep away from combustibles.
WARNING – • Exercise extreme caution when servicing electrical equipment.
• Unplug the brewer when servicing, except when electrical tests are specified.
• Follow recommended service procedures
• Replace all protective shields or safety notices
PROBLEM
Brew cycle will not start
Water is not hot
Inconsistent beverage level in
dispenser

TROUBLESHOOTING

PROBABLE CAUSE
1. No water
1.Thermal Cut-Off
CAUTION - Do not eliminate or
bypass thermal cut-offs.
2. Control Thermostat
3. Tank Heater
1. Syphon System
2. Lime Build-up
CAUTION - Tank and tank compo-
nents should be delimed regularly
depending on local water condi-
tions. Excessive mineral build-up
on stainless steel surfaces can
initiate corrosive reactions result-
ing in serious leaks.
Page 6
REMEDY
Check fill basin for obstructions.
Refer to Service - Thermal Cut-
Off for testing procedures. See
page 13
Refer to Service - Control Ther-
mostat for testing procedures.
See page 10
Refer to Service - Tank Heater for
testing procedures. See page 12
The brewer must be level or
slightly lower in front to syphon
properly.
Inspect the tank assembly for
excessive lime deposits. Delime
as required.
10860.1 091300