Vulcan K20GL User Manual download pdf (Page 41)

TROUBLESHOOTING

STATIONARY & TILTING - GENERAL

K Series Gas Kettles (Stationary & Tilting)

SYMPTOM POSSIBLE CAUSE

Kettle does not heat, power light is lit,

heat light is lit, ignition fail light is lit, low

water light is not lit, blower motor is ON

(high speed is default for blower if speed

control malfunctions).

1. Gas supply is OFF.

2. Transformer (1T) output voltage is low.

3. Tilting models only - Gas shut-off valve (1SOL) not receiving power

or malfunction.

4. Spark ignitor.

A. Spark probe dirty or corroded (poor spark).

B. Burner flame sense current too low - dirty or corroded probe; or

flame sense wire connection corroded.

5. Ignition module malfunction (no sparking at ignitor).

6. Gas valve malfunction.

Kettle does not heat, power light is lit,

low water light is lit, heat light is not lit,

blower motor not ON.

1. Incorrect voltage to water level control (internal circuit protects board

from voltages above 132VAC or below 108VAC). Check supply

voltage to kettle.

2. Fluid level in reservoir jacket below water level probe (LLCO). Check

fluid level in sight glass.

3. Kettle jacket was refilled incorrectly with deionized or reverse

osmosis (RO) water. Use distilled water only.

NOTE: Add approximately 1/8 teaspoon of salt to jacket fluid. Lightly

rinse fill port and close it.

4. Water level probe (LLCO) wiring connection malfunction; or probe

coated (not sensing fluid); or probe malfunction.

5. Water level control malfunction.

Kettle does not heat, power light is lit,

low water light is not lit, heat light is not

lit, blower motor not ON.

1. Tilting models only - Tilt switch (2S) is open: Kettle not fully upright;

or switch not adjusted properly; or switch malfunction.

2. Pressure switch (1PAS) open or malfunction (fixed, not adjustable).

3. WLC malfunction (water level ok in sight glass).

NOTE: LLCO LED is ON (probe sensing fluid).

4. Temperature sensor malfunction; potentiometer setting too low or

malfunction; or temperature controller malfunction.

5. Interconnecting wiring malfunction.

K Series Gas Kettles 2/3 Jacketed Stationary and Tilting - TROUBLESHOOTING

Page 41 of 44 F45461 Rev. A (0713)

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Vulcan K20GL User Manual Page 41

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