18 OM-AH/1
Troubleshooting
Your kettle is designed to operate smoothly and efficiently if properly maintained. However, the following is a list of checks to make
in the event of a problem. Wiring diagrams are furnished inside the service panel and in this manual.
If an item on the list is
followed by x, the work should be done by a qualified service representative.
SYMPTOM
WHO
WHAT TO CHECK
X indicates items which must be performed by an authorized technician.
Kettle continues heating
after it reaches the desired
temperature.
User
a. Thermostat dial setting.
Auth Service
Rep Only
b. Thermostat calibration.
c. Thermostat operation. The thermostat should click when the
dial is rotated above and below the setting for the
temperature of the kettle. X
Kettle stops heating before
it reaches the desired
temperature.
User
a. Thermostat dial setting.
Auth Service
Rep Only
b. Thermostat calibration. X
c. Thermostat operation. Thermostat should click when the
dial is rotated above and below the setting for the
temperature of the kettle. X
Safety valve pops open.
User
a. For air in the jacket. See “Jacket Vacuum” in the Maintenance section.
b. Thermostat dial setting.
Auth Service
Rep Only
c. For defective thermostat. The thermostat should click when the dial
is rotated to settings above and below the temperature of the kettle. If
defective, replace. X
d. For defective safety valve. If the valve pops at pressures below 29
PSI, replace. X
Burners will not light.
User
a. That the main gas supply valve is open. (handle is in line with the gas
pipe).
b. Gas supply to the building.
Auth Service
Rep Only
c. Thermostat operation. The thermostat should click when the dial is
rotated to settings above and below the temperature of the kettle. X
System does not produce
a spark.
Auth Service
Rep Only
a. AC voltage between terminals on secondary side of transformer with
unit power turned on. If it is not 24 Volt, replace the transformer. X
b. That the high tension cable is firmly attached and in good condition. If
cracked or brittle, replace. X
c. Pilot burner ceramic insulator for crack or break. X
d. Pilot spark gap. Regap. X
Spark is present but the
pilot will not light.
Auth Service
Rep Only
a. That the pilot valve is securely connected to terminals. X
b. For 24 VAC at terminals PV and PV/MV. If 24V is not present, replace
the ignition control module. X
b. That gas pressure is at least 3.5” W.C.(8.7818 b).
c. For gas at the pilot. If it is not flowing:
(1) Check the pilot gas line for kinks and obstructions. X
(2) Clean orifice, if necessary. X
(3) Check magnetic operator for pilot valve on gas valve. Repair or
replace as necessary. X
d. That the pilot spark gap is located in the pilot gas stream. If not,
adjust or replace the pilot burner. X
e. For drafts. Shield the pilot burner, if necessary. X
WARNING
USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY AN AUTHORIZED SUPPLIER/DISTRIBUTOR
WILL VOID ALL WARRANTIES AND COULD INJURE THE OPERATOR OR DAMAGE THE EQUIPMENT.
