68
If the element heats during preheat, then stay off
until the temperature drops to about 130° F:
1.
Check the diode and the cycling portion of the warmer
switch.
If the element does not cycle off:
1.
Remove one wire from the low limit thermostat and
set the warmer switch to low. If the element cycles
after the drawer has warmed up the low limit is
defective, if it does not the warmer switch is defective.
It is also possible for a wire on the neutral side of the
element to be shorted to chassis.
If the warmer drawer is slow preheating:
1.
Normal preheat time is around 15 minutes with the
drawer empty. Check the low limit thermostat. If
the contacts are open, replace the thermostat.
I
f the warmer drawer heats, but the indicator light
does not glow:
1.
Check the indicator light and the wiring to the
indicator light. (Note: Indicator light does not cycle
with the element.)
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Страница 56: ...56 SAMPLE SCHEMATIC FOR THE ES 400 CONTROL SYSTEM ...
Страница 66: ...66 SAMPLE SCHEMATIC FOR THE ES 450 CONTROL SYSTEM ...
Страница 87: ...87 NOTES ...
Страница 88: ...88 ...