Dean SR114E Panduan Servis & Suku Cadang - Halaman 10

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Dean SR114E Panduan Servis & Suku Cadang
Problem
Fryer does not heat.
Fryer heats until high-
limit trips with heat
indicator ON.
Fryer heats until high-
limit trips with heat
indicator OFF.
Fryer stops heating
with heat indicator
ON.
Probable Causes
B. One or more other components have
failed.
Temperature probe or controller has
failed.
Contactor, controller or element has
failed
The high-limit thermostat or contactor
has failed.
Corrective Action
B. If the circuitry in the fryer control
system cannot determine the frypot
temperature, the system will not
allow the element to be energized
or will de-energize the element if it
is already energized.
contactor, element, or associated
wiring fails, the element will not
energize.
If available, substitute a controller
known to be working for the suspect
controller. If the substitute controller
functions correctly, order a new
controller from FASC. If substitution
of the controller does not resolve the
problem, the most likely cause is a
failed temperature probe.
If available, substitute a controller
known to be working for the suspect
controller. If the substitute controller
functions correctly, order a new
controller from FASC.
substitution of the controller does not
resolve the problem, the most likely
cause is a contactor that has failed in
the closed position or a bad element.
The fact that the heat indicator is ON
indicates
functioning properly and is calling for
heat.
functions as a normally closed switch.
If the thermostat fails, the "switch"
opens and power to the elements is
shut off. If the contactor fails to close,
no power is supplied to the elements.
1-6
If the
If the
that
the
controller
The high-limit thermostat
is