
14
Part Number: 9291456 11/17
Operation
Section 3
TEMPERATURE CONTROL & DISPLAY
V
V
Status
Displayed
Comments
Normal (°C)
Temp. [°C]
Unit depends on
setting (parameters in
control)
Normal (°F)
Temp. [°F]
Show set-point
Temp.
Sensor 1 defect
E01
X
Air sensor
Sensor 2 defect
E02
X
Coil sensor
Sensor 3 defect
E03
X
Open
Sensor 4 defect
E04
X
Open
High temperature
alarm
Hi
X
Automatically
switching at 2 sec rate
Low temperature alarm
Lo
X
Line voltage too high
uHi
X
Line voltage too low
uLi
X
Control calls for cooling
for more than 24 hours
straight
LEA
X
Time includes defrost.
Error will go away if
the control cycles off
the compressor or if
the power is shut off.
If error is on a cold
pan it could be related
to a high ambient
temperature or not
shutting the rail off
nightly.
Press upper or lower right button.
• Display show actual set-point (blinking).
• If buttons untouched for 3 seconds returns to
normal.
• Increase set-point by pressing upper button. Max value
depends on parameters in control.
• Decrease set-point by pressing lower button. Min value
depends on parameters in control.
• If buttons untouched for 3 seconds returns to
normal and stores new set-point.
Press lower left button for 5 seconds.
• Unit goes into stand-by mode.
• The display will read Off, then a period.
• Press the lower left button again for 5 seconds.
• The display will read On.
• The unit will then start up in normal cooling
mode.
Temperature Alarm
The alarm will sound and flash HI or LO 90 minutes after the
unit has reached its alarm temperature point or after any
power interruption if the temperature is above or below the
alarm set points.