SERVICE DIAGNOSIS
The following diagnosis is only to be used as a guide to qualified service personnel. Keating recommends that you use a qualified & 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 | PROBABLE CAUSE | SOLUTION | ||||
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No Pilot | a. | Gas supply not “ON”. | a. | Open gas supply valve. | ||
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| b. | Air in gas lines. | b. | Press gas valve knob in “pilot” | |
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| c. Quick disconnect not engaged. |
| position and hold. | ||
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| d. | Gas valve is on “OFF” position. | c. | Reconnect quick disconnect. | |
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| e. | Faulty Piezo Ignitor. | d. | Turn valve knob to “pilot”. | |
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| e. | Replace ignitor. | |
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Pilot won’t stay on | a. | Loose wires. | a. | Tighten connections on all wires. | ||
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| b. | Faulty thermopile. | b. | Replace thermopile. | |
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| c. | Inadequate gas supply. | c. | Increase line pressure. | |
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| d. | Bad gas valve. | d. | Replace gas valve. | |
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Pilot on but no main burner ignition | a. ON/OFF switch is in “OFF” position. | a. | Put ON/OFF switch to “ON” position. | |||
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| b. | Gas valve is in “pilot” position. | b. | Turn knob to “ON” position. | |
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| c. | Thermostat is not turned on. | c. | Turn thermostat to desired temperature. | |
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| d. | Low gas presssure. | d. | Set manifold pressure to 4” WC | |
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| (nat),10” WC (LP). | |
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| e. | Gas valve failure. | e. | Replace valve. | |
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Temperature of griddle erratic | a. | Thermostat is not calibrated. | a. | Calibrate thermostat with exhaust | ||
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| system running. | |
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| b. | Air from exhaust hood excessive. | b. | Have exhaust hood inspected and | |
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| air flow balanced. | |
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Griddle stays hot or overheats | a. | Thermostat is not calibrated. | a. | Calibrate thermostat. | ||
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| b. | Thermostat failure | b. | Replace thermostat. | |
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| c. | Air from exhaust hood excessive. | c. | Have exhaust hood inspected and | |
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| air flow balanced. | |
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| d. | Improper Cooking Procedured. | d. | See Cooking Procedure section. | |
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Burners will not shut off | a. | Thermostat is not calibrated. | a. | Calibrate thermostat. | ||
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| b. | Thermostat failure | b. | Replace thermostat. | |
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| c. | Bad gas valve. | c. | Replace gas valve. | |
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Flames pulsate. | a. | Low gas pressure | a. | Set manifold pressure to 4” WC (nat), | ||
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| 10”WC (LP). Set line pressure to 7” WC | |
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| (nat), 11” WC (LP). | |
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| b. | Orifice is dirty or clogged | b. | Clean orifice | |
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| c. | Air from exhaust hood excessive | c. | Have exhaust hood inspected and air | |
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| flow balanced. | |
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9
