Eppendorf New Brunswick -86 °C Freezers Premium - Manuale (Pagina 32)

Premium -86 °C Freezers — Istruzioni per l'uso
32
8 Risoluzione dei problemi
8 Risoluzione dei problemi
8.1 Anomalie generiche
If you are experiencing a problem with your freezer, check the following troubleshooting guides
before contacting your New Brunswick or Eppendorf authorized Service technician.
8.2 Messaggi di anomalia
Your electronically-controlled New Brunswick freezer incorporates the unique Systems
Monitoring And Reporting Technology (S.M.A.R.T. Plus™) self-diagnostic software to diagnose
faults in its electronic systems, its probes and/or its refrigeration system.
This table interprets error codes that may appear in the control panel display:
Symptom/
message Cause Remedy
Door will not
open 1. The door handle is locked.
2. The heated vent port is
blocked.
1. Unlock the door handle.
2. Break up the ice in the vent port using
the plunger, (vedi Heated vent port a
pag. 28).
If the door will not open:
 Call New Brunswick or Eppendorf
Service.
FILTER-CLEAN
LED lights up • Filter is contaminated.  Clean the filter, (vedi Air intake grille
and filter a pag. 28).
If the LED remains lit:
 Call New Brunswick or Eppendorf
Service.
Symptom/
message Cause Remedy
E-01 • PT100 Probe 1 failure. This
probe, located inside the
freezer cabinet, indicates
cabinet temperature.  Call New Brunswick or Eppendorf Service
department.
E-02 • Probe 2 failure. This probe
monitors the cascade
condenser.  Call New Brunswick or Eppendorf Service
department.
E-03 • This probe monitors the
air-cooled condenser.  Call New Brunswick or Eppendorf Service
department.
E-04 Air-cooled condenser
temperature too high:
1. Filter may be blocked.
2. Ambient temperature may be
too high.
If alarm continues to sound:
• Fan may have failed.
• Water supply not turned on,
insufficient flow, regulating
valve not opening or
defective (water-cooled
version only).
1. Clean filter according to the instructions
(vedi Air intake grille and filter a pag. 28).
2. Cool the room.
 Call New Brunswick or Eppendorf Service
department.
8
Risoluzione dei problemi