Specifications

GRDF / GRCF SERIES GAS FRYERS
VULCAN-HART F-31214 Rev. D (March 2008)
-28-
OPEN PROBE – If an open 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:
“D” Solid State – OPEN PROBE
“C” Computer – PROBE OPEN
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:
“D” Solid State – SHORTED PROBE
“C” Computer – PROBE SHORT
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:
“D” Solid State – HIGH TEMP
“C” Computer – HIGH TMP HIGH TMP
Troubleshooting Chart:
Problem: Probable Cause:
No Heat: Power switch not turned on.
Gas supply not turned on.
Wire connections loose (call service)
Wires connections need cleaning
High Limit (call service)
Insufficient or too much heat: Temperature not set to desired temperature.
High limit tripped (call service)
Temperature probe (call service)
Tank will not drain: Shortening too cold.
Drain pipe clogged with debris.
Motor / pump will not pump oil: 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.