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keatingofchicago.com
16
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
Constant pilot won’t light
a. Gas isn’t turned on.
b. Clogged constant pilot tubing.
c. Constant pilot valve isn’t turned on.
a. Turn manual gas valve on. If using
fl exible connector with quick
disconnect, make sure quick
disconnect is completely engaged.
b. Turn fryer and manual gas valve off.
Clean tubing.
c. Turn constant pilot valve on and adjust
pilot fl ame height to 3/8" to 1/2"
fl ame.
Runner pilot tube won’t light
a. Gas isn’t turned on.
b. No electricity to fryer (BB & TS
models).
c. Gas valve knob in incorrect position
(AA & CMG models)
d. Hi-Limit has been activated.
e. Clogged runner pilot orifi ce(s).
f. Drain valve isn’t pushed in completely
(fryers with built-in fi lter system).
a. Turn manual gas valve on. If using
fl exible connector with quick
disconnect, make sure quick
disconnect is completely engaged.
b. Plug fryer into approved outlet.
c. Rotate gas valve knob to pilot position.
Depress and hold for 30 seconds.
d. Push Hi-Limit reset button located
under control panel.
e. Turn fryer and manual gas valve off.
Clean orifi ce(s) and other parts as
necessary.
f. Push in and latch drain valve handle to
activate rear drain safety switch. Turn
off fryer & turn back on.
Runner pilot won’t stay lit
a. Low gas supply or pressure.
b. Dirty runner pilot tube or pilot orifi ce(s).
c. Low pilot fl ame height.
d. Flame switch control is faulty
(BB & TS models).
e. Hi-Limit has been activated.
f. Exhaust problems or drafts in kitchen.
g. Thermopile or gas valve is faulty
(AA & CMG models).
h. Delayed ignition.
a. Verify if size of incoming gas line to
fryer and manifold gas pressure are
adequate.
b. Turn fryer and manual gas valve off.
Clean orifi ce(s) and pilot tube.
c. Adjust pilot fl ame height.
d. If it takes more than 60 seconds for
pilot to stay lit, replace fl ame switch
control.
e. Push Hi-Limit reset button located
under control panel.
f. Install or adjust fl ue restrictors. If
problem persists, contact your HVAC
representative.
g. Perform millivolt tests. Replace faulty
thermopile or gas valve.
h. See diagnosis on page 17.