Vulcan-Hart 1GR65C Fryer User Manual


 
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.