Troubleshooting Chart - Vulcan VK Série Mode D'emploi

VK / TR / VFRY SERIES GAS FRYERS
SHORTED PROBE – If a shorted probe is detected, the heat demand is disabled and any
running cooking cycles are cancelled. All operator buttons are disabled. The digital control
displays the following message:
Hi TEMPERATURE – If the temperature is greater than or equal to 415° F (212° C), the heat
demand is disabled and any running cooking cycles are cancelled. All operator buttons are
disabled. The control displays the following message:
Problem:
No Heat:
Insufficient or too much heat:
Tank will not drain:
Motor / pump will not pump oil:
VULCAN
"D" Solid State – SHORTED PROBE
"C" Computer – PROBE SHORT
"D" Solid State – HIGH TEMP
"C" Computer – HIGH TMP HIGH TMP

Troubleshooting Chart:

Probable Cause:
Power switch not turned on.
Gas supply not turned on.
Wire connections loose (call service)
Wires connections need cleaning
High Limit (call service)
Temperature not set to desired temperature.
High limit tripped (call service)
Temperature probe (call service)
Shortening too cold.
Drain pipe clogged with debris.
Suction tube not seated correctly in receptacle block.
Filter screen is clogged and needs cleaning.
Shortening is too thick / cold. Heat oil up to min. 300º F.
Discard valve lever not fully engaged either for filtering or
discarding.
Thermal overload protection button tripped.
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F-32971 Rev. S (01-17)