Nordcap NUOVAIR C5.1 Compact Bedienungsanweisung Seite 189

No.
Description
High Pressure Alarm
57-58
Condensing Unit.
59 Fans alarm
Cell.
60-65 Maintenance Alarm
Compressors
66
Maintenance Alarm
Ionizer.
67
Maintenance Alarm
Fans.
Possible cause
• High temperatures of the
refrigerant returning to
the compressor.
• Poor supply of the
refrigerant fluid to the
suction line.
• Dirty condenser.
• Malfunction
condenser fans.
• Cell fans broken or
malfunctioning.
• Threshold exceeded
of maintenance
compressor.
• Ionizer maintenance
threshold exceeded.
• Fans maintenance
threshold exceeded.
Possible solution
• Check the integrity of the
condensing part.
• Check correct
fan operation.
• Check the fan
contactor.
• Replace the damaged
or broken fan.
• Contact supplier
• Contact the refrigeration system
maintenance technician.
• Reset the maintenance
hours counter.
• Contact maintenance technician
for replacement
ionizer capacitor.
• Reset the hour counter.
• Contact the maintenance
technician to check the
proper operation
of the plant.
• Reset the maintenance
hours counter.
Effects
• Immediate block
condensing unit, with
consequent generation of the
general alarm for the cell or
condensing unit and the
impossibility of starting a
cycle.
• If the cycle is in progress,
it remains active
until the compressor
protection alarm
clears. Generated
also general alarm cycle
in progress.
• If available, connection to the
external network send
e-mail alert.
• The cycle starts but the blast
chiller works in static mode.
The machine does not drop in
temperature
or else it goes down a lot
slowly.
• Nobody.
• Poor efficiency in
sanitation.
• Nobody.
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