Frymaster 17EC - Manual (Page 47)

6-15
TROUBLESHOOTING THE AUTOFILL SYSTEM
Verify that unit is connected to the
water supply and that water supply
is turned on.
Drain the water in the cookpot to a
level below the upper water-level
sensor.
Place the master ON/OFF switch
in the ON position.
Press the computer ON/OFF
switch.
Did unit
begin to fill?
Remove the water-
level sensor guard
and thoroughly clean
the sensors.
Did unit
begin to fill?
Did water
shut off when water
reached the upper water-level
sensor?
Yes
No
Is voltage across
Pins 2 and 6 of computer
15-pin connector zero?
No
Check sensor and wiring.
If they are NOT grounded,
the computer has failed.
Replace.
If they ARE grounded, repair
or replace as required.
No
If 24VAC is NOT present
across Pins 2 and 3 of the
contactor box 15-pin connector,
check connections and wiring to
solenoid valve. If wiring and
connections are intact, the valve
has failed. Replace.
Yes
Is 24VAC
present across Pins
2 and 6 of the computer
15-pin connector?
No
Yes
Autofill system is OK.
Yes
Check resistance
through Pins 2 and 9 of
the computer 15-pin
connector. If it is less than 1
ohm, the computer has failed.
Replace.
If it is 1 ohm or greater, repair
wiring between sensor and
computer or replace
sensor as required.
No