Infrico Lab Care Plus ULF70086 Service Manual page 41

Chamber high temperature alarm
- If chamber Tº > set point + A02 → pre-alarm (only if D05=1)
- If the chamber T º > set point, once A03 and A04 delay periods have elapsed → alarm
Corrective measures:
High temperature - Same as above
ALARM Main effects:
- The alarm is recorded
- The buzzer and alarm relay will be triggered (if enabled)
- The alarm is automatically disabled when the dripping temperature A09º is below the
threshold.
Low temperature alarm
- If chamber Tº < set point + A01 → pre-alarm (only if D05 = 1)
- If chamber Tº< set point, once A03 and A04 delay periods have elapsed → alarm
Corrective measures:
Low temperature - Same as above
ALARM Main effects:
- The alarm is recorded
- The buzzer and alarm relay will be triggered (if enabled)
- The alarm is automatically disabled when the dripping temperature A08 is below the
threshold.
High temperature alarm due to power supply fault
- If chamber Tº > set point after shutdown due to power fault
Power supply fault Corrective measures:
high temperature - Same as above
chamber Main effects:
ALARM - Energy cut-off and energy recovery time are recorded
- The buzzer and alarm relay will be triggered (if enabled)
- The alarm is disabled by pressing any key
Evaporator probe error alarm (if C07 = 1)
Corrective measures:
- Same as above, but in reference to the evaporator
Evaporator probe Main effects:
error - Defrost does not end and the evaporator fans cannot be activated
ALARM - The alarm is recorded while defrost data is deleted
- The buzzer and alarm relay will be triggered (if enabled)
- Regulation is carried out as if the evap. probe were not installed: Defrost cycles end
depending on time elapsed and fans are activated depending on chamber Tº (if C09 =0)
Service Manual and Warranty
40