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TECPak
User’s Manual
Error
Code
Description
Cause
E-407 Temperature
limit,
output turned off
The temperature limit (high or low) was
exceeded and the output was turned off.
E-409 Sensor
changed,
output turned off
The sensor type was changed, causing
the output to be turned off.
E-410
Temperature was out
of tolerance, output
turned off
The temperature went out of tolerance
and the output was turned off.
E-415 Sensor
short,
output
turned off
A sensor short circuit was detected and
the output was turned off.
E-416
Cal failed
An error occurred during calibration that
caused the calibration to fail. The unit is
no longer in calibration mode.
E-419
TEC not stable
The TEC is considered stable if the
temperature has changed less than
0.02°C for more than 20 seconds.
E-433
Not a TEC
The TEC:CHAN command attempted to
select a non-TEC channel
E-435
Mode Change
A mode change occurred when the
output was on, forcing the output off.
E-436
Auto Tune Failed
AutoTune was cancelled for whatever
reason.
E-437
Auto Tune Required
T Mode
AutoTune can only start in T mode.
E-439
Thermal Runaway
System detected a thermal runaway and
shutdown the output.
E-997
Control error, cycle
power
A hardware control error occurred, cycle
power to resolve. If error continues to
occur, contact factory.
E-998 Command
not
supported
A command was received that is not
supported by this instrument.
E-999
Non-specific error
A non-specific error was encountered.
