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Freezer Temperature Control - Whirlpool WBM35LW Service Manual

Electronic top mount refrigerator
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Interface Board
Interface Board
Console Display
Whenever the Refrigerator is powered on, the red Led with the ON inscription should remain lit.
3.2.1 – Freezer Temperature Control :
The temperature inside the product is dependent on the quantity of stored food and on the door opening
frequency.
The Temperature Sensor is located behind the Evaporator and is responsible for monitoring the Freezer
inner temperature. When the temperature on the Sensor is higher than the selected temperature range (see
table below), the Potency Module will turn the Compressor on. When the Sensor detects a temperature
value lower than that of the selected range, the Potency Module will turn the Compressor off.
The temperatures in the compartments are described as follows:
Freezer Compartment
MODEL
WRM34, WBM35
WRM38, WBM39
WRM44, WBM46
The Refrigerator control system is fitted with a time counter which allows the compressor to be turned
on only after elapsing SEVEN minutes from the power down. This prevents the Compressor from
attempting to start while the system pressures are not equalized yet.
MSEX0025_rev01
Flat Cable
REMARKS
ADJUST POSITION
SWITCH ON
MINIMUM
MEDIUM
MAXIMUM
REMARKS
Responsible for sending signals to the
Potency Module in order to turn the Lamps
and the Fan Motor ON and OFF, with a
Freezer temperature range selection, for
turning the alarm off, Fast Freezing
function, powered-on product signaling,
open door signaling and open door audible
signal. For disassembly or replaced it,
remove the Console Display by forcing it
upward with a medium size screwdriver .
Then pull it forward. Disconnect the
Interface Board from the Flat Cable (multi-
way cable) and replace it.
SWITCH OFF
- 9°C
- 18°C
- 13°C
- 21°C
- 20°C
- 27°C
5

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