Brooks Automation
6. Troubleshooting
Part Number: 257437 Rev. A
Service and Error Codes
Error Code
Description
Solution
CaL
Displayed in the ID field, indicating the temperature display
issue.
Contact Technical Support.
HI
The Cryogenic Chamber temperature is above +49°C; no data
is recorded.
Add LN
₂
as needed.
HL
The connection point between thermocouple wires and the
instrument electronics module is
above
its operating limit of
+49°C; "Not Valid" temperature will be reported in the log file.
Contact Technical Support.
Key
Displayed in three digits in the ID Code area. This indicates
one of more keys lodged in a depressed position.
Depress keys to dislodge.
LL
The connection point between thermocouple wires and the
instrument electronics module is
below
its operating limit of -
49°C; "Not Valid" temperature will be reported in the log file.
Contact Technical Support.
LO
Chamber temperature is below -199°C and "Not valid"
temperature will be reported in the log file.
Contact Technical Support.
Low Memory
The available memory on the system is running low and will
only record up to six additional hours of log data after it is first
displayed.
Download log data
immediately to free up space.
not SET
(Date/Time)
"not SET" indicates that the date/time are not set. If the
date/time are not programmed, "not SET" will be displayed at
all times.
Program date and/or time in
Set-Up.
OFF
OFF indicates that the internal basket is above -20°C. If OFF is
displayed while the unit is on, the unit will turn OFF
automatically within one minute as long as no button activity is
detected.
Fill the unit with LN
₂
as
needed.
OP
Service issue: Thermocouple detachment detected.
Contact technical Support.
Service
The SERVICE message indicates a technical support issue
such as a thermocouple detachment (OP) or a corrupted
temperature correlation (TMP), a stuck key (KEY), an EPROM
reading error (EP), or a thermocouple chip error (TIC). The
message will automatically tun off when the issue is resolved.
Contact Technical Support.
TMP
Displayed in the three digit ID code area, this indicates that
the pre-loaded data needed for the temperature indication is
corrupted.
Contact Technical Support.
Copyright © 2016, Brooks Automation, Inc.
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