Bunn ITB Technical Training

Bunn-O-Matic Corporation
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4. Check the ohms value of the thermistor located within the liquid level and ground wire harness connector.
- If Check Fan message persists during operation, then you may have a defected thermistor or the
machine is placed in a high ambient environment. Example: Machine is placed too close to equipment
that is producing heat such as ood lights, ovens, ect.
*An example of normal operating temperatures would be:
60°C/140°F under the top hood. Thermistor ohms value reading 2,488.
4. Check the ohms value of the thermistor located within the liquid level and ground wire harness connector.
- If Check Fan message persists during operation, then you may have a defected thermistor or the
machine is placed in a high ambient environment. Example: Machine is placed too close to equipment
  thatisproducingheatsuchasoodlights,ovens,ect.
*An example of normal operating temperatures would be:
60°C/140°F under the top hood. Thermistor ohms value reading 2,488.
Triac Map ITCB-DV HV (Hardee’s)
1. Dilution Valve (TH8)
2. Bypass Valve (TH7)
3. Dispense Valve (TH5)
4. Inlet Valve (TH2)
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Bunn ITB Specifications

General

Brand	Bunn
Model	ITB
Category	Coffee Maker
Language	English