Welbilt Frymaster PF50 Installation, Operation And Maintenance Manual page 20

6.2 General Troubleshooting (cont.)
Pump won't
start.
Pump stops
during
filtering
process.
Pump starts
and abruptly
stops.
Pumping is
erratic.
Oil not being
returned to
frypot.
PF-SERIES PORTABLE FILTRATION SYSTEMS
CHAPTER 6: TROUBLESHOOTING
-- Tripped thermal overload switch.
-- Incorrect or no line voltage.
-- Allow filter unit to cool for at least 45 minutes and
then press (reset) the motor thermal overload switch.
-- Turn filter pump "OFF". Allow oil to cool then empty
pan. Verify filter paper is clean and properly installed. ---
-- Refill pan and restart process.
-- Reset thermal overload switch.
-- Pump is blocked or wiring is loose. Call FAS for
service.
-- Motor failed; call FAS for service.
-- Verify that filter paper is properly installed under hold -
down ring.
-- Verify that filter hose connection is tight and secure.
-- The filter hose is clogged with debris. Clear hose.
-- Clogged filter paper. Scrape off excess sediment or
replace filter paper.
-- Filter pan suction tube is blocked. Use a thin, flexible
wire to unclog.
6-2