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5-2
5.2 Operator Troubleshooting Guide
PROBLEM PROBABLE CAUSES CORRECTIVE ACTION
A. No power to unit. A. Turn on circuit breaker.
B. Master Power switch in
OFF position (17EC and
17ECS models only).
B. Place Master Power switch in ON
position.
C. Controller not turned on. C. Push power switch.
Controller does not
activate.
D. Blown fuse (17EC and
17ECS models only).
D. Replace fuse (see Section 5.4)
A. Water not turned on. A. Turn water on.
Autofill does not add
water.
B. Defective controller. B. Replace controller (see Section
5.3).
A. Dirty upper water level
sensor.
A. Clean sensor.
B. Insufficient mineral
content in water.
B. Add ⅛-cup baking soda to cookpot.
Autofill does not shut
off when the cookpot
is full.
C. Defective controller. C. Replace controller (see Section
5.3).
A. Dirty low water level
sensor.
A. Clean sensor.
B. Insufficient mineral
content in water.
B. Add ⅛ cup baking soda to cookpot.
Water will not heat
(controller is on, water
is at normal level, but
LO is not showing on
the controller).
C. Defective controller. C. Replace controller (see Section
5.3).
Water will not heat
(water above lower
water level sensor and
LO is showing on the
controller).
Defective controller. Replace controller (see Section 5.3).
Water heats but does
not boil.
Defective controller. Replace controller (see Section 5.3).
Water boils in simmer
mode.
Controller out of adjustment. Adjust controller in accordance with
Section 3.1.3 (17EC/17ECS) or 3.2.2
(EWBS).
Water temperature is
too low in simmer
mode.
Controller out of adjustment. Adjust controller in accordance with
Section 3.1.3 (17EC/17ECS) or 3.2.2
(EWBS).
A. Operator error. A. Push timer start switch
(17EC/17ECS) or a product button
(EWBS with CM III controller).
Timer does not count
down.
B. Defective controller. B. Replace controller (see Section
5.3).