Bunn VPS Coffeemaker User Manual


 
Page 5
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 qualified service personnel.
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
Water is not hot
Spitting or excessive steaming
PROBABLE CAUSE
1. Limit Thermostat or Thermal
Cut-Off
CAUTION - Do not eliminate or
bypass limit thermostat/thermal
cut-off. Use only BOM replace-
ment part.
Limit Thermostat - #29329.7000
2. Control Thermostat
3. Tank Heater
1. Lime Build-up
CAUTION - Tank and tank
components should be delimed
regularly depending on local
water conditions. Excessive
mineral build-up on stainless
steel surfaces can initiate corro-
sive reactions resulting in
serious leaks.
2. Control Thermostat
REMEDY
Refer to
Service
- Limit Thermo-
stat or Thermal Cut-Off for
testing procedures. See page 10
or 13
Refer to
Service
- Control Ther-
mostat for testing procedures.
See page 9
Refer to
Service
- Tank Heater
for testing procedures. See page
12
Inspect the tank assembly for
excessive lime deposits. Delime
as required.
Refer to
Service
- Control Ther-
mostat for testing procedures.
See page 9
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