Sanyo MDF-U333, Service Manual

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Control specification Control specification Control specification Control specification
＜ ＜ ＜ ＜
MDF-U333
・ ・ ・ ・
537
・ ・ ・ ・
537D
＞ ＞ ＞ ＞
１．
１． １．
１．
Key and switch
Key and switch Key and switch
Key and switch
BZ
：
When alarm lamp is blinking and buzzer sounds, buzzer and remote alarm
Output …………Force to turn off
In F25, setting value (time) is except for 000
; buzzer will turn ON after the
setting time has passed. (This RING BACK function would be carried out in
s/n 110XXXXX or bigger)
：
Buzzer is not turned off during alarm test.
：
When alarm lamp is blinking and buzzer is off, buzzer will not turn on.
：
When press this key during power failure, current internal temperature is
displayed for 5 seconds.
SET
：
Press once to setting mode and press again to memorize the set value.
(It works as ENTER key)
DEF
：
In PV display keep pressing the key over 5 seconds to start defrosting.
During defrosting, press the key to quit defrosting.
During defrosting, internal temperature and “dF” is displayed alternately.
During defrosting, high-low temperature alarm is cancelled.
When sensor error is occurred during defrosting, error code and internal
temperature is displayed alternately, and “dF” display is turned off.
During defrosting, only buzzer key is acceptable.
ALARM TEST
：
Press the key in PV display, alarm test will be start.
Press again then quit alarm test.
During alarm test, alarm lamp will blink and buzzer will sound intermittently.
Digital display will be turned off.
During alarm test, only alarm test key is acceptable.
：
During setting mode, shift between the first digit and the second digit.
In PV display, keep pressing the key over 5 seconds to enter the key lock
mode. (“L0”display)
：
During setting mode, count up the blinking digit. In PV display, keep
pressing the key over 5 seconds to enter the function mode (“F00” display)
TOP/BOTTOM
：
This key is available only in MDF-U537D.
Initially TOP (upper compartment) temperature is displayed.
Press key to display BOTTOM (lower compartment) temperature.
Press this key during power failure to display compartment temperature for 5
seconds, that was not selected before power failure.