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 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

PROBABLE CAUSE

Water is not hot

1. Limit Thermostat

 

CAUTION - Do not eliminate or

 

bypass limit thermostat/thermal

 

cut-off. Use only BOM replace-

 

ment part.

 

Limit Thermostat - #29329.0001

 

2.

Control Thermostat

 

3.

Tank Heater

Spitting or excessive steaming

1.

Lime Build-up

 

CAUTION - Tank and tank com-

 

ponents should be delimed

 

regularly depending on local

 

water conditions. Excessive min-

 

eral build-up on stainless steel

 

surfaces can initiate corrosive

 

reactions resulting in serious

 

leaks.

 

2.

Control Thermostat

REMEDY

Refer to Service - Limit Thermostat for testing procedures. See page 10

Refer to Service - Control Thermostat for testing procedures. See page 9

Refer to Service - Tank Heater for testing procedures. See page 10

Inspect the tank assembly for excessive lime deposits. Delime as required.

Refer to Service - Control Thermostat for testing procedures. See page 9

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