Service Diagnosis; Troubleshooting Chart - Keating Of Chicago MIRACLEAN SERIES 2000 Manual



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.)
NOTE: To correctly and quickly diagnose the system, the chart below should be followed in sequential order.
TROUBLE SHOOTING CHART
PROBLEM
No pilot
Pilot won't stay on
Pilot on but no main burner ignition
Temperature of griddle is erratic
Griddle stays hot or overheats
Burners will not shut off
Flames pulsate
PROBABLE CAUSE
a. Gas supply not "ON".
b. Air in gas lines.
c. Quick disconnect not engaged.
d. Gas valve is on "OFF" position.
e. Faulty piezo ignitor.
a. Loose wires.
b. Faulty thermopile.
c. Inadequate gas supply.
d. Bad gas valve.
a. ON/OFF switch is in "OFF" position.
b. Gas valve is in "pilot" position.
c. Thermostat is not turned on.
d. Low gas pressure.
e. Gas valve failure.
a. Thermostat is not calibrated.
b. Air from exhaust hood excessive.
a. Thermostat is not calibrated.
b. Thermostat failure.
c. Air from exhaust hood excessive.
d. Improper cooking procedure.
a. Thermostat is not calibrated.
b. Thermostat failure.
c. Bad gas valve.
a. Low gas pressure.
b. Orifi ce is dirty or clogged.
c. Air from exhaust hood excessive.
GAS GRIDDLE - SERIES 2000
SOLUTION
a. Open gas supply valve.
b. Press gas valve knob in "pilot" position
and hold.
c. Reconnect quick disconnect.
d. Turn valve knob to "pilot".
e. Replace ignitor.
a. Tighten connections on all wires.
b. Replace thermopile.
c. Increase line pressure.
d. Replace gas valve.
a. Put ON/OFF switch in "ON" position.
b. Turn knob to "ON" position.
c. Turn thermostat to desired
temperature.
d. Set manifold pressure to 4" WC (nat),
10" WC (LP).
e. Replace valve.
a. Calibrate thermostat with exhaust
system running.
b. Have exhaust hood inspected and air
fl ow balanced.
a. Calibrate thermostat.
b. Replace thermostat.
c. Have exhaust hood inspected and air
fl ow balanced.
d. See Cooking Procedure Section.
a. Calibrate thermostat.
b. Replace thermostat.
c. Replace gas valve.
a. Set manifold pressure to 4" WC (nat),
10" WC (LP). Set line pressure to
7" WC (nat), 11" WC (LP).
b. Clean orifi ce.
c. Have exhaust hood inspected and
airfl ow balanced.
1-800-KEATING
|
11