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263
20.5: SERVICE BULLETIN # 41014168
Showroom Mode Alarm
Complaint:
Appliance sounds an audible alarm when in the showroom mode.
Diagnosis:
An audible alarm sounds every 45 seconds after an “undetermined” amount of time
once the appliance is placed in the showroom mode.
No error code will be displayed on the user interface display.
The firmware installed on the main power board has an alarm feature installed that
sounds once the appliance is placed in the showroom mode.
The firmware is not detrimental to the operation or performance of the appliance. This
alarm will not activate unless left in the showroom mode. During normal usage, the
alarm will not sound.
The error is not the fault of the user interface display. The main power board located in
the machine compartment must be replaced.
The main power board is not adjustable or reprogrammable; it must be replaced.
Models Impacted:
ML and MP (excludes ice machine) models built within the serial number range listed
below.
Serial Number Range:
All models built prior to the manufacturing date of May 18, 2015 (20150518xxxH).
Repair:
Replace the main power board (located in machine compartment). The user interface
board does not come into play with this error.
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