Vulcan-Hart GRC35, Service Manual

Page: 46 / 48

– 46 – F-25114 Rev.A (07-03)
SYMPTOM POSSIBLE CAUSES
Oil not filtering, pump motor is on. 1. Filter screen plugged.
2. Clog in filter system lines.
NOTE: If using solid shortening, when all filtered oil is
returned to the fry tank and filter power switch is off,
open the filter drawer approximately one inch. Allow the
remaining shortening in the line to drain into the filter
tank to prevent possible clogging after the shortening
cools and solidifies. Close the filter drawer when
complete.
3. Frying oil/Shortening below 300°F to “thick”.
4. Filter valve switch malfunction.
5. Filter valve mechanical malfunction.
6. Pump is inoperative.
Frying oil not discarding, pump motor on. 1. Filter screen plugged.
2. Clog in filter system lines.
NOTE: If using solid shortening, when all filtered oil is
returned to the fry tank and filter power switch is off,
open the filter drawer approximately one inch. Allow the
remaining shortening in the line to drain into the filter
tank to prevent possible clogging after the shortening
cools and solidifies. Close the filter drawer when
complete.
3. Frying oil/Shortening below 300°F to “thick”.
4. Discard valve switch malfunction.
5. Discard valve mechanical malfunction.
6. Discard hose connection not fully engaged.
7. Pump is inoperative.
Pump motor is not running. 1. Filter power switch inoperative.
2. Filter/discard handle not extended.
3. Filter/discard valve switch malfunction.
4. Filter relay malfunction.
5. Pump motor inoperative.
6. Motor limit tripped (Reset).
KLEENSCREEN FILTERING SYSTEM
GR SERIES GAS FRYERS - TROUBLESHOOTING