Locking The Beacon Ii Board - Heatcraft Refrigeration Products BEACON II H-IM-79E Installation And Operation Manual

Programming And Reviewing
Settings/Changes (Cont'd.)
Use this button to "CLEAR/TEST"
Pressing this button ONCE will return the LED display to
the default display. With the system in the OFF mode,
pressing and holding this button will start the "TEST"
mode. In the "TEST" mode it will cycle through each
output for 10 seconds. The display will only show "tst"
during "TEST" mode. Test mode will automatically
terminate after 3 sequences.
STATUS INDICATOR LED
A RED, three-digit , alphanumeric LED on the
Beacon II board indicates status, alarms and
error codes.
• OFF
All Evaporators
• COOLING
Single Evaporator-
Multiple Evaporators
Master Evap -
Slave Evaps -
• Pumpdown
All Evaporators
• DEFROST
All Evaporators
• TEST
All Evaporators
• SERVICE
All Evaporators
• ALARMS
Programming & Reviewing
Box Temp / oFF
Box Temp /Coo
Box Temp / Coo
Coo
Pdn
dEF
tSt
SEr
A 1
A 2
A 3
A 4
Locking The Beacon II Board
The Beacon II board is lockable to prevent programmed
setting changes by unauthorized personnel. When
locked, the program setpoints cannot be changed.
To lock the setting:
• Press "PROGRAM REVIEW" button.
Press and hold "MONITOR" button.
•
While holding "MONITOR" button,
•
press "ENTER" button.
The LCD will display Loc.
•
This will prevent unauthorized personnel program
changes. To unlock, repeat steps above. LCD will
display "UnL".
Box Temperature/ Mode is displayed
Box Temperature/ Mode is displayed
Box Temperature/ Mode is displayed
Operating Mode is displayed
High Box Temp
Low Box temp
System Start-up failure
Compressor pumps down and tries
to restart after 4 minutes.
Input Fault
Box Temp., Suction Temp., Pressure
Transducer open or not installed
15