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ELECTRICAL REQUIREMENTS
The stands have an attached cordset and requires 2-wire grounded service rated 120 volts ac, single
phase, 90 watts total for the 1SH, 180 watts total for the 2SH, or 2-wire grounded service rated 230 volts ac,
single phase, 90 watts total for the 1SH, 180 watts total for the 2SH.
CLEANING
The use of a damp cloth rinsed in any mild, nonabrasive, liquid detergent is recommended for cleaning
all surfaces on Bunn-O-Matic equipment.
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.
• All electronic components have 120 - 240 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 per-
manent. If an intermittent condition is encountered, the cause will likely be a contact or a loose
connection at a terminal or crimp.
WARNING
• Exercise extreme caution when servicing electrical equipment.
• Disconnect power source when servicing, except when electrical tests are specified.
• Follow recommended service procedures.
• Replace all protective shields or safety notices.
Problem
Remedy
Server will not heat
1. No power or incorrect voltage.
2. Circuit breaker
3. Receptacle contact
4. Transformer
5. Rectifier
Be sure the stand is connected to
the power source.
A) Check and reset if necessary
B) Refer to Service - Circuit breaker
for test procedures. See page 4
Clean or replace. See page 5
Refer to Service - Transformer for
test procedures. See page 7
Refer to Service - Rectifier for test
procedures. See page 6
Probable Cause
28342 071599