TCL TRF-545W, Service Manual

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Child lock
In the unlocking state, enter the “child lock” function: automatic startup: there is no key for this operation on the display panel, 30
seconds later, the child lock function will be automatically started, the “child lock” icon will be on, and the keyboard locked; exit the child
lock: when the “child lock” icon is on, press and hold the “child lock” key for 3 seconds to unlock.
Refrigeration off
In the unlocking state, press and hold the “temperature regulation” key for 3 seconds, after the icon of the temperature zone is switched
to that of the refrigerating chamber, press the “temperature regulation” key to regulate the temperature of the refrigerating chamber.
After the gear of refrigerating chamber is selected to “OF”, stop pressing the key and wait for 5 seconds, then enter the refrigeration off
function. When the set temperature of refrigerating chamber is set to “OF”, the refrigeration function is shut down. (in the refrigeration
off state, when setting other functions, the refrigerator may automatically exit the refrigeration off function. Note: please take out the food
in the refrigerating chamber before the cold refrigeration off function is started. ）When the “cold refrigeration off” function is on, the
refrigerating chamber enters the closed state.
Power off memory
When power goes off, the instantaneous working state at the time of power off will be locked. After power on, it will still work according to
the setting before power off.
Over temperature warning of freezer chamber
When the power is switched on, the temperature of the freezer chamber is higher than -12℃, the schematic box corresponding to the
temperature zone of the freezer chamber is on, and the digital zone flashes. Press any key to display the temperature of the freezer
chamber when it is powered on, press the key again or 10s later, it will return to the normal display state.