Panasonic MDF-237 Operating Instructions Manual

Also see for MDF-237: Operating instructions

13START-UP OF UNITFollow the procedures for the initial and consequent operations of the unit.1. Turn the power switch ON with the chamber empty.2. Turn ON the battery switch.3. Set the chamber temperature to a desired value.4. Allow the unit to achieve the desired chamber temperature.5. Check that the alarm lamp is flashed and the buzzer is activated by pressing alarm test key (ALARMTEST). The remote alarm is also operated. E09 is displayed on the control panel if the battery switch isOFF.6. Now you can put articles into the chamber gradually to minimize the temperature rise.Note:When starting the operation of the freezer for the first time, the alarm lamp (ALARM) blinks after the startof operation. When the chamber temperature reaches around the set temperature, then the alarm lampgoes out (The remote alarm is not activated).If the buttery switch is turned ON before turning ON the power of the freezer, the power failure alarm isactivated and the buzzer sounds and the remote alarm is also activated after the start of operation.Check that the battery switch is OFF before turning ON the freezer.Operation after power failureThe set value is memorized by nonvolatile memory. Accordingly, the freezer resumes the operation withsetting before power failure.When the freezer is recovered from power failure with the chamber temperature higher than the presettemperature, then the high temperature alarm is activated and the buzzer sounds and the remote alarm isalso activated.REMOTE ALARM TERMINALWARNINGAlways disconnect the power supply cord before connecting an alarm device to the remote alarmterminal.The terminal of the remote alarm is installed at the back of the unit. The alarm is outputted from thisterminal. Contact capacity is DC 30 V, 2 A.Contact output:between COM. and N.O. between COM. and N.C.At normal Open CloseAt abnormal Close OpenNote:The alarm is actuated when the power cord isdisconnected from the outlet or the power switch isOFF. (The remote alarm is also operated.)N.C. COM N.O.MAX DC30V 2ATerminal