1.10.1 Troubleshooting the 24VAC Circuit in Units without Interface Boards
Verify that the ON/OFF switch is in the ON positon.
Is 24VAC |
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| Is 24VAC |
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| Probable cause |
present at the gas |
| No |
| present at the ON/OFF |
| No |
| is a failed |
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valve? |
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| switch? |
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| transformer. |
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Yes
Yes
Is the continuity |
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| Probable cause |
of the ON/OFF switch OK |
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| No |
| is a failed ON/OFF | |
(zero resistance in the ON |
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| switch. | |
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position)? |
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Yes
Verify that the temperature
of the cooking oil/
shortening is at least 15
degrees below the thermostat setting.
Is continuity of |
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| Probable cause is a |
the thermostat OK (zero |
| No |
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| failed thermostat. | ||
resistance)? |
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Problem is with the gas valve.
Refer to Troubleshooting the Gas 
Yes
Valve on Page
