2 Se c t i o n 1
Section 7: Electronic Controls
This section covers the power board, optical control display assembly and
replacement of boards
Section 8: Cooling System.
This section covers cooling system refrigerant, leveled operation requirement,
poor cooling issues, cooling issues related to cooling system performance,
voltage and component effects on cooling performance, LP gas pressure
and components issues related to cooling performance, electrical operated
components failure related to cooling performance, dirty ue effects on ame
performance, ue cap blocked or jammed over ue opening, exceeding
maximum level limits effect on cooling system performance, inadequate repairs
and unauthorized modications, cooling system monitoring system, high
temperature monitoring system, cooling system replacement, cooling system
testing, diagnostic ow chart, and cooling unit replacement procedure.
Section 9: Diagnostics
This section covers accessing and navigating through the built in diagnostics,
screens identication and segments description.
Section 10: Ice Maker
This section covers ice maker specications, operational description,
troubleshooting chart, replacement procedure, ice maker cycle testing, water
valve operation, water valve replacement, water ll line heater, water ll
line thermostatic switch information, and ice maker module troubleshooting
procedures.
Section 11: Water Dispenser
This section covers water dispenser operation, water valve replacement,
reservoir replacement, dispenser switch replacement, and LED circuit board
replacement.
Section 12: Wiring Schematics and Pictorials
This section provides wiring schematics and pictorials for models 121X-XX series
refrigerator.
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