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keatingofchicago.com
14
SERVICE DIAGNOSIS
The following diagnosis is only to be used as a guide to qualifi ed service personnel. Keating recommends that
you use a qualifi ed & licensed service company. (Equipment still under warranty requires it.) Call 1-800-KEATING
if you need assistance in locating a qualifi ed service company.
NOTE:
To correctly and quickly diagnose the system, the chart below should be followed in sequential order.
TROUBLE SHOOTING CHART
PROBLEM
PROBABLE CAUSE
SOLUTION
Fryer overshoots temperature setting
a. Thermostat bulb improperly placed.
b. Thermostat out of calibration.
a. Adjust bulb position. See page 12
Thermostat Bulb Positioning.
b. Calibrate thermostat. See page 12
Calibration.
Oil in fryer vessel smokes
a. Oil has begun to break down.
b. High carbon content in oil.
c. Dirty fryer vessel.
d. Inferior grade of oil.
e. Fryer is overheating.
a. Replace oil.
b. Filter oil completely, replace if
necessary.
c. Boil-out fryer. See page 9 – Cleaning
and Boil-out.
d. Check with supplier for the grade of
oil you need for your cooking
applications.
e. Check calibration of thermostat (See
page 12 and replace if necessary.
Oil in fryer vessel boils over
a. Over-fi lling fryer with oil.
b. Product overloaded in fryer vessel.
c. Oil is breaking down and foaming.
d. Water in cold zone.
a. Fill fryer up to “Fill Level” line as oil
expands when heated.
b. Follow recommended cooking
production fi gures in determining
proper size of loads.
c. Replace oil.
d. Stir oil repeatedly with a paddle until
water boils off. Filter oil. If necessary,
allow oil to cool. Drain about one quart
of it to remove remaining water.
Basket-Lift mechanism will not operate
a. Connections are loose or timer faulty.
b. Motor limit switch is faulty.
c. Lift motor is faulty.
d. Basket-lift relay is faulty.
e. Actuator is defective.
a. Tighten connections. Replace timer if
faulty.
b. Replace limit switch or straighten arm.
c. Replace motor. Specify left or right side
motor when ordering.
d. Replace relay.
e. Replace actuator.
Basket-Lift motor runs, but basket
doesn’t move
a. Cam is slipping on motor shaft.
a. Tighten cam onto fl at on motor shaft.
Runner bar will not light
a. (For AA Units) gas valve knob in
incorrect position.
b. (For BB and TS Units) Hi-Limit tripped.
a. Rotate gas valve knob to PILOT
position. Depress and hold for 30
seconds.
b. Reset Hi-Limit.
Burners with not light
a. (For AA Units) gas valve knob in
incorrect position.
b. (For BB and TS Units) switch not set
to fry.
a. Rotate gas valve knob to ON. Turn
power switch ON. Set thermostat to
desired temperature.
b. Set MELT/IDLE/FRY switch to FRY.
Set thermostat to desired temperature.
