Phcbi MDF-C8V1 - Self Diagnosis and Safety Functions

15
Low temp. alarm : When chamber temperature is equal or lower than setting temperature +
low temp. alarm setting temperature - 1, ALARM lamp and digits are
blinking, intermittent buzzer sounds with about 15 minutes of delay, and
remote alarm output turns on.
When chamber temperature is equal or higher than setting temperature,
ALARM lamp and digits go off, buzzer stops sounding, and remote alarm
output turns off.
If you press BUZZER key, the buzzer stops sounding instead remote
alarm output does not turn off.
Power failure alarm : When the power switch is OFF with battery switch is ON or the power to
the unit is disconnected or in case of power failure, ALARM lamp is
blinking, intermittent buzzer sounds and remote alarm output turns on.
If the power retrieves within 3 seconds, the unit starts to run with initial
settings. Remote alarm output turns off.
In case of power failure alarm, press BUZZER key to show chamber
temperature for 5 seconds.
6. Self diagnosis and safety functions
Auto Return : If there is not any key operation for 90 seconds in each setting mode,
Key Lock mode and Function mode, the display automatically reverts to
chamber temperature.
Ring back : Buzzer forcibly sounds again after setting time elapses even if anyone
press BUZZER key to stop buzzer sounding in alarming condition.
Ring back time is settable in F25.
Sensor temp. display F12: Temperature in temp. sensor is displayed
(Ex. -80.2㷄㩷 㸢㩷 displayed as ‘80.2’)
F14: Temperature of comp. sensor is displayed.
(Ex. +23㷄㩷 㸢㩷 displayed as ‘023’)
Battery lifespan
check:
F03: Notice of battery accumulation time
(Ex. 2years and 6months accumulated 㸢㩷 Displayed as ‘02.5’)
BATTERY lamp is lit if ’02.8’ is displayed.
<Reset of accumulation time>
Step into F06. Input ‘409’ and press SET key to reset
non-volatile memory to ’00.0’ with BATTERY lamp goes off.
Fan motor lifespan
check:
F32: Notice of fan motor accumulation time
(Ex. 5years and 8monts accumulated 㸢 Displayed as ’05.6’)
Battery lamp is blinking when about 6years has passed.
<Reset of accumulation time>
Step into F06. Input ‘419’ and press SET key to reset
non-volatile memory to ’00.0’. The display reverts to chamber
temperature only.
ROM version :
F30: ROM version is displayed (Ex. Ver. 1.00 㸢㩷 displayed as “1.00”)