MARVEL Scientific 4CAFX - Manuel (Page 15)

15
APPENDIX A, ADDITIONAL MICROSENTRY II ™ FEATURES
Information Menu / Lockout Key
To access the information menu, press the SET key, and
immediately release it.
In the information menu, a 2 or 3 digit code will be dis-
played representing each entry in the information menu.
The first code displayed will be t1. With each sequential
press and release of the SET key, the following codes will
appear in this order: t1, t2, thi, tLo, cnd, FrM, and Loc.
(The t2 code only appears on the refrigerator).
To view the value of each code, press and hold the SET
key after the desired code is displayed. Additionally,
the WARMER and COLDER keys may be used to scroll
through the menu. To exit the information menu, press
the ON/OFF key, or wait for several seconds with no key
presses.
1) Current Interior Temperature (tI): While
tl is shown on the screen press and hold the
“SET” key to display the current interior tem-
perature.
2) Defrost Sensor Temperature (t2) refrig-
erator only: While t2 is shown on the screen
press and hold the "SET" key to display the
temperature of the defrost sensor.
3) Maximum Stored Temperature (thi): While
thi is shown on the screen, press and hold the
“SET” key to display the maximum recorded
temperature. The temperature is updated every 5 minutes.
To reset the maximum temperature; continue to hold the
SET key, then press and release the ON/OFF key to reset
the maximum temperature. The maximum temperature will
be reset to the current compartment temperature.
It is recommended that thi be reset after the initial pull-
down (24 hours after power on) to clear any residual
values.
4) Minimum Stored Temperature (tLO):
While tLo is shown on the screen, press and
hold the “SET” key to display the minimum
recorded temperature. The temperature is updated every
5 minutes. Continue to hold the SET key then, press and
release the ON/OFF key to reset the minimum temperature.
The minimum temperature will be reset to the current com-
partment temperature. It is recommended that tLo be reset
after the initial pull down (24 hours after power on) to clear
any residual values.
5) Total Operating Time of the Condenser
Since the Last Cleaning (cnd): The operating
time of the condenser since the last cleaning.
The control monitors the operating time of the condenser
fan to determine when the condenser is in need of being
cleaned. While cnd is displayed on the screen, press and
hold SET key to view the value of cnd. The value shown
is the number of weeks the condenser has been operating.
To reset cnd, continue to hold the SET key then press and
release the ON/OFF key. When the control recommends
the condenser be cleaned, a reminder will be displayed on
the screen (see Alarm Codes.) To clear the alarm code, re-
set the value in cnd following the instructions printed above.
6) Firmware Version (FrM): While FrM is
shown on the screen press and hold the "SET"
key to display the version of the firmware.
7) Keypad Lockout Feature (Loc): This fea-
ture is used to prevent accidental changes to
the set temperature, or accidentally turning the unit off.
While Loc is displayed on the screen, press and hold the
SET key.
If “No” is displayed, Lockout feature is off,
and all keys are enabled. If “Yes” is dis-
played, Lockout feature is ON. The ability to turn the unit
on and off, as well as the ability to adjust set temperature
will be disabled. To change the keypad lockout setting,
continue to hold the SET key, then use the WARMER and
COLDER keys to set the desired value.