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Heater Troubleshooting
AC Heaters Resistance
Air Duct Heater *** 578
Defrost Heater * (See
Defrost Heater.) 31
Double Drawer Mullion Heater * (See
Double Drawer Mullion Assembly.) 827
Duct Port Heater *** 1200
Freezer/Fresh Food Mullion Heater *** (See
Fresh Food/Freezer Mullion Heater.) 1653
Return Duct Heater LH *** (See
Return Duct Heaters.) 440
Return Duct Heater RH *** (See
Return Duct Heaters.) 440
Supply Duct Heater *** 1653
* Replaceable individual heater
** Replaced as door assembly
*** Not replaceable
Note:
• Air Duct and Supply Duct heaters will come on with abnormally high door open time and high humidity.
(Abnormal = approximately 70 fresh food door openings for 12 seconds or more in a 16 hour period.)
• Duct Door heater, Door Gasket heater, and Recess heater are on 100% of the time when the freezer set
temperature is 4°F or lower. Above 4°F heater on-time will vary.
• Duct Port heater is located around ice compartment port holes, and cycles on temperatures and ice
compartment conditions. (Mid-settings = heater on time approximately 30%)
• Fill Tube heater will be on after water valve activation or when ice is dispensed.
DC Heaters Resistance (Approximate)
Door Gasket Heater ** 62
Duct Door Heater * (See
Dispenser and Interface.) 109
Fill Tube Heater ** 300
French Door Vertical Mullion Heater * (See
Articulating Door Mullion.) 24
Recess Heater ** 145
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