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Description of the main signals and alarms.
LED flashing
The activation of the corresponding function is delayed by a timer, awaiting an external signal or disabled
by another procedure that is already in progress. e.g. if is a continuous cycle in progress and a defrost is
called, the latter will remain pending until the end of the continuous
cycle, and the corresponding LED (defrost) will flash.
E0 steady or flashing
control probe error:
• probe not working : the probe signal is interrupted or short-circuited;
• probe not compatible with the instrument;
The alarm signal E0 is steady if it is the only active alarm (the temperature value is not displayed), while it
flashes if other alarms are active or the second probe is displayed.
E1 flashing
evaporator probe or food conservation probe error:
• probe not working, the probe signal is interrupted or short-circuited;
• probe not compatible with the instrument;
E2 flashing
condenser probe or food conservation probe error:
• probe not working, the probe signal is interrupted or short-circuited;
• probe not compatible with the instrument;
IA flashing
immediate or delayed alarm from multifunction digital input:
• check the multifunction input and parameters A4 and A7.
dOr flashing
open door alarm:
• check the multifunction input and parameters A4 and A7.
LO flashing
low temperature alarm. The probe has measured a temperature lower than the set point by a value that
exceeds parameter AL:
• check parameters AL, Ad and A0.
The alarm is automatically reset when the temperature returns within the set limits (see parameter AL).
Summary of Contents for SMART 7 STI022LR404A2
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