Heatcraft Refrigeration Products H-IM-79E Refrigerator User Manual


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14
Programming&Reviewing
FORCE
DEFROST
RESET
TIME
MONITOR
FORCE
SERVICE
Usethe“MONITOR”
button to review these items:
SUP - Superheat
(°F/°C)
ESP - Expansion valve steps
(0 to 255 steps)
 SCt - Suction temperature
(°F/°C)
SSt - Saturated Suction temperature
(°F/°C)
SCP - Suction pressure at Evaporator
(PSIG/HG)
 Odt - Outdoor temperature
(°F/°C)
dFt - Defrost sensor temperature
(°F/°C)
dFS - Time left until next defrost
(hours) (on version 1.8 boards)
dFE - Last Defrost Elapsed time
(minutes)
AC - Board Voltage
SPt - Spare Temperature reading
Use this button to “FORCEDEFROST”To force a
defrost , press the “FORCEDEFROST” button. The
system will pumpdown and shut off the compressor. The
heaters are then turned on. The display will show “dEF”
and room temp.
Use this button to “RESETTIME” Pressing this button
will reset the time clock in the microprocessor to zero.
At initial power up, pressing this button will bypass
the “four minute” hold-off and the system will start
immediately after the expansion valve opens. This
display will show “dLy”.
Use this button to “FORCESERVICE”
Pressing this button TWICE will cause the system to
pumpdown and the compressor to shut off. The system
will remain off until the “CLEAR” button is pressed.
While in the “FORCESERVICE”, the LED display will
only show “SEr”.
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