Hef® and g -86 °c freezers — operating manual, Op erating control s and function – Eppendorf New Brunswick -86 °C Freezers G User Manual
Page 18
HEF® and G -86 °C Freezers — Operating manual
18
Temp-alarm light
Power fail light
Fault light
Battery low light
Filter clean light
Remote control 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. 34). 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
service representative.
Item
Name
Function
12
REMOTE
CONTROL
Indicates when freezer is operating under remote computer
control via the optional RS-485 interface port and New
Brunswick's BioCommand
®
SFI software, or other laboratory
data logging software.
5
Op
erating
control
s and function