Bunn Troubleshooting Guide for Hot Water Dispenser Error 3

TROUBLESHOOTING (cont.)

PROBLEM

PROBABLE CAUSE REMEDY

Product will not dispense (cont.)

9.Water strainer

10.Lime build-up

CAUTION - Tank and tank compo- nents should be delimed regularly depending on local water conditions. Excessive mineral build-up on stain- less steel surfaces can initiate corro- sive reactions resulting in serious leaks.

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

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

Inspect the tank assembly for exces- sive lime deposits. Delime as re- quired.

Water is not hot

1. Limit thermostat	Refer to Service - Limit Thermostat
CAUTION - Do not eliminate or by-	for testing procedures. See page 26
pass limit thermostat. Use only BOM
replacement part #29329.1000
2. Control thermostat	Refer to Service - Control Thermo-
	stat for testing procedures. See page
	16

Spitting or excessive steaming

3.Tank Heater

4.Tank heater switch

1. Lime build-up

CAUTION - Tank and tank compo- nents should be delimed regularly depending on local water conditions. Excessive mineral build-up on stain- less steel surfaces can initiate corro- sive reactions resulting in serious leaks.

Refer to Service - Tank Heater for testing procedures. See page 32

Refer to Service - Tank Heater Switch for testing procedures. See page 33

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

2. Control thermostat	Refer to Service - Control Thermo-
	stat for testing procedures. See
	page 16

8 28364 051100