Eppendorf New Brunswick -86 °C Freezers Premium - Manual (Page 17)

17
Premium -86 °C Freezers — Operating manual
Temp-alarm light
Power fail light
Fault light
Battery low light
Filter clean light
Item Name Function
8 TEMP-ALARM Should a mains/power failure cause the temperature to surpass
the alarm setpoint, the TEMP-ALARM illuminates. (The audible
alarm will already be sounding due to the mains/power failure).
The TEMP-ALARM lamp will extinguish when the temperature
returns to normal set range. Cancel the TEMP-ALARM by
pressing the ALARM TEST/MUTE KEY.
Item Name Function
3 POWER-FAIL Illuminates if the mains/power supply fails, flashing at
approximately 10-second intervals, accompanied by an audible
alarm. When mains/power is restored, the indicator goes off
and the audible alarm stops. (The battery must be switched on
and charged for this indicator to operate.)
Item Name Function
4 FAULT Illuminates if there is a system failure within the freezer.
Interfacing with the S.M.A.R.T. Plus™ diagnostics via the
control panel, the fault can be determined (see Error messages
on p. 32). System failure is accompanied by an audible alarm.
Correction of the fault extinguishes the light and audible alarm.
Item Name Function
5 BATTERY-LOW With mains/power ON: illuminates if battery voltage is below 6
volts, flashes when voltage drops to 5 Volts. With mains/power
OFF: if battery voltage drop below 5.5 Volts, this fault indicator
will stop functioning.
Item Name Function
6 FILTER-CLEAN Illuminates, accompanied by an audible alarm, to indicate a
blocked or dirty filter. Filter is located on the front at the bottom
of all freezers. Remove by turning the two thumbscrews on the
filter holder ¼ turn. Clean filter by washing in mildly soapy
water, then air dry. If filter warning light does not go out after
replacing the cleaned filter, contact your local New Brunswick or
Eppendorf service representative.
5
Operating controls and function