Bunn HC-3 TROUBLESHOOTING cont PROBLEM, Probable Cause, Remedy, Refer to Service - Limit Thermo

Models: HC-3

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TROUBLESHOOTING (cont.)

PROBLEM

Product will not dispense (cont.)

PROBABLE CAUSE

9. Water strainer

10. 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.

REMEDY

(A)Direction of flow arrow must be pointing towards dispenser.

(B)Remove the flow control and check for obstructions. Clear or replace.

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

Water is not hot

1.

Limit thermostat

Refer to Service - Limit Thermo-

CAUTION - Do not eliminate or

stat for testing procedures. See

bypass limit thermostat. Use only

page 27

BOM replacement part

 

#29329.1000

 

2.

Control thermostat (mechanical

Refer to Service - Control Thermo-

or electronic)

stat for testing procedures. See

 

 

page 16

3.

Tank Heater

Refer to Service - Tank Heater for

 

 

testing procedures. See page 33

4.

Tank heater switch

Refer to Service - Tank Heater

 

 

Switch for testing procedures. See

 

 

page 34

Spitting or excessive steaming

1. 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.

Inspect tank assembly for exces- sive lime deposits. Delime as required.

2. Control thermostat (mechanical

Refer to Service - Control Thermo-

or electronic)

stat for testing procedures. See

 

page 16

8

27591 061500

 

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Bunn HC-3 service manual TROUBLESHOOTING cont PROBLEM, Probable Cause, Remedy, Refer to Service - Limit Thermo