b. Low Temperature Alarm (E2)
If the cabinet temperature drops below the setpoint temperature by 9°F (5°C) or more for more than y minutes, "E2" is displayed. The default value of y is "1" (1 hour). The value of y can be changed under F4 on the Settings and Diagnostics Menu. (0=No delay; 1=1 hour)
Note:
•The low temperature alarm timer starts once the cabinet temperature drops 9°F (5°C) below the setpoint temperature.
•The low temperature alarm feature operates even during defrost.
Reset Options
The alarm will automatically reset once the cabinet temperature reaches the upper setpoint temperature differential.
Possible Causes
•Ambient temperature is low.
•Trouble with the cabinet thermistor (black).
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