Blueair BLMI-300A Manuel
Blueair
SERVICE TRAINING
Parameter Control Guidance
Modular Ice Machine Installation
R-290
Reach-ins
Undercounters
Parameter Control
Chapter 1
Blueair
Blueair
1. R-290 Parameter Control
Icon will light up and unit will display “DF” w
hen defrost is activated.
Icon will light up when evaporator fan(s)
are in operation
Icon will light up when compressor is in
operation
Icon will be displayed in Celsius or
Fahrenheit
depending on the user’s selection
Touching these Icons will change the value
of the setting
Icon is used in adjustment confirmation
and control panel locking.
☞Default Set Temperature
➢Refrigerator: 35°F (2°C)
➢Freezer: 0°F (-18°C)
☞Temperature Control Range
➢Refrigerator : 33°F (0.5°C) ~ 39°F (3.9°C)
➢Freezer: -10°F (-23.3°C) ~ 5°F (-15°C)
Overview
☞Note
Our display will be on as soon as the unit is connected to the power, but the compressor starts
operation after 5 minutes to prevent compressor damage.
Error Check Mode
Press button for 3 seconds.
Press button for 5 seconds
Until display shows “no” or error code(s).
If display shows “no”, that means the unit has no error at all.
Error codes are only displayed when the unit has errors.
Press button to check additional error code(s).
Do not touch controller for 15 seconds to exit.
Blueair
1. R-290 Parameter Control
Error Codes
1-1. “S1”: Defective Temperature (Room) Sensor
- Sensor is disconnected, open or cabinet temperature is below -58°F
1-2. “S1_”: Defective Temperature (Room) Sensor
- Sensor is shorted or cabinet temperature is above 149°F
2-1. “d1”: Defective Defrost Sensor
- Sensor is disconnected, open or cabinet temperature is below -58°F
2-2. “d1_”: Defective Defrost Sensor
- Sensor is shorted or cabinet temperature is above 149°F
3. “Df1”: Fail to Defrost
- Defrost time exceeds 50 minutes.
4. “CF1”: Fail to Cool
- Defrost sensor reads 32°F or above after 30 mins compressor
operation.
5. “EHF” (Freezer Only): Cabinet Temperature is High.
- Cabinet temperature is above 45°F for 8 hours after the compressor
starts up.
6. “EHr” (Refrigerator Only): Cabinet Temperature is High.
- Cabinet temperature is above 45°F for 8 hours after the compressor
starts up.
7. “Edr”: Door is open more than an hour.
8. “UFN”: V-FAN is disconnected. (Top Mount Refrigerator Only.)
Blueair
1. R-290 Parameter Control
Test Mode
Press button for 3 seconds.
Press and buttons together until “nd” is displayed.
Press button 18 times until “tE” is displayed.
Press button to check each part’s operation.
Go back to “St”, and do not touch controller for 15 seconds
to exit.
“St” is displayed after “Beep” sound.
Blueair
1. R-290 Parameter Control
Test Codes
1. “CP1”
- Turn on the compressor and fans.
2. “dHt” (Freezer Only.)
- Turn on the defrost heater.
3. “CHt” (Not in use for “-HC” units.)
- Turn on the cord heater.
4. “LP”
- Turn on the LED light.
5. “FS”
- Check temperature (room) sensor.
- Cabinet temperature is displayed if the sensor is okay.
-“t0” or “ts” is displayed if the sensor is defective.
6. “rt”
- Check ambient temperature sensor on control board.
- Cabinet temperature is displayed if the sensor is okay.
-“t0” or “ts” is displayed if the sensor is defective.
7. “ds”
- Check defrost sensor.
- Cabinet temperature is displayed if the sensor is okay.
-“t0” or “ts” is displayed if the sensor is defective.
Blueair
1. R-290 Parameter Control
Ice Machines
Parameter Control
Chapter 2
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Blueair
2. Ice Machines Parameter Control
Overview
☞Ice Machine Status Check
-Press “Check” button while the ice machine is on.
1) “E”: Displaying real-time evaporator temperature.
2) “F”: Average time of freezing cycle.
3) “H”: Average time of harvest cycle.
4) “三”: Total freezing cycle counts.
Error Codes
1. “E1” : Freezing problem
- Freezing cycle exceeds 60 minutes twice in a row.
2. “E2” : Harvest problem
- Harvest cycle exceeds 25 minutes twice in a row.
3. “E3” : Evaporator temperature problem
-Evaporator sensor temperature is over 140℉ (60℃).
Note: The temperature is generally under 120℉ (49℃).
4. “E4” : Drain problem
- Water is not drained during full storage.
-Press “Power” button once to turn off the alarm.
5. “E5” : Water supply problem
- Water level sensor continues to detect insufficient water levels.
- Water supply time exceeds 4 minutes.
6. “E6” : Evaporator sensor problem
- Evaporator sensor is either damaged or disconnected.
7. “E7” : Main control board problem
- Main control board is not operating properly.
☞Please refer to our service manuals to find out the recommend
resolution for each error code.
Blueair
2. Ice Machines Parameter Control
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