Infrico Lab Care Plus ULF70086 Service Manual page 42

Evaporator low temperature alarm
- If evaporator T°< set point + A05 when door is closed
Corrective measures:
- Same as above
Evaporator low
Main effects:
temperature
- The alarm is recorded
ALARM
- The buzzer and alarm relay will be triggered (if enabled)
- Regulation is not affected and defrost is forced
- The alarm is automatically disabled when temperature rises 2°C above the alarm
setpoint
Condenser probe fault alarm (if C08 = 1)
Corrective measures:
- Same as above, but in reference to the condenser
Condenser probe
Main effects:
error
- The alarm is recorded
ALARM
- The buzzer and alarm relay will be triggered (if enabled)
- Adjustment is carried out as if the condenser probe were not installed and condenser
fans are activated in parallel with the compressor.
Condenser high temperature alarm
If condenser Tº >A06
Corrective measures:
- Same as above
Main effects:
Condenser high
- The alarm is recorded while defrost data is deleted
temperature
- The buzzer and alarm relay will be triggered (if enabled)
ALARM
- Evaporator fans and compressor are switched off, while the condenser fans are
switched on
- If the alarm is activated while a defrost cycle is in progress, condenser fans are forced
on regardless of the value of parameter F06
- The alarm is automatically switched off when temperature drops below A06 - 10°C
Condenser dirty alarm
- This alarm takes place when the difference between the condenser minimum
temperature and the maximum value is > A07 for two successive start-ups of the
Condenser dirty.
compressor
ALARM
Corrective measures:
- Same as above
Main effects: - Same as above
Service Manual and Warranty
41