Frymaster 17EC - Manual (Page 80)

7-16
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 POWER switch in the
ON position.
In units with computers, 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 unit
shut off when water
reached the upper water-level
sensor?
Yes
No
Is 24VAC present on
Pins 1 and 2 of the IFB
4-pin connector (manual controls)
or
Pin 2 of the IFB 12-pin
connector (computer
controls)?
No
Check sensor and wiring.
If they are NOT grounded,
the IFB has failed. Replace.
If they ARE grounded, repair
or replace as required.
No
Check connections and wiring
to solenoid valve. If wiring and
connections are intact, the valve
has failed. Replace.
Yes
Is 0 voltage present
on Pins 1 and 2 of the IFB
4-pin connector (manual controls)
or
Pin 2 of the IFB 12-pin
connector (computer
controls)?
No
Autofill system is OK.
Yes
No
Solenoid valve has
failed. Replace.
Yes
Check sensor and wiring.
If they ARE grounded,
the IFB has failed. Replace.
If they are NOT grounded,
clean, repair or replace as
required.