Fluke 7102 - Page 44

7102
User’s Guide
38
Problem Possible Causes and Solutions
The Product heats or cools too quickly or too
slowly
Incorrect scan and scan rate settings. The
scan and scan rate settings may be set to
unwanted values. Check the Scan and Scan
Rate settings. The scan may be off (if the
Product seems to be responding too quickly).
The scan may be on with the Scan Rate set
low (if unit seems to be responding too slowly).
o shows at the left of the display
External switch is open. The external switch
is open which causes the displayed
temperature to be frozen and keeps the set-
point from scanning. Push DOWN to turn the
switch test off.
The display shows any error
Controller problem. The error messages
signify the following problems with the
controller.
Err 1 – a RAM error
Err 2 – a NVRAM error
Err 3 – a Structure error
Err 4 – an ADC setup error
Err 5 – an ADC ready error
Err 6 – Defective control sensor. The control
sensor may be shorted, open, or otherwise
damaged.
Do the Factory Reset Sequence described
above to initialize the system.
Err 7 – Heater control error. Do the Factory
Reset Sequence described above to initialize
the system.
The stirrer is not stirring
Stirrer speed needs adjusting. In the
Operating Parameters menu, adjust the stirrer
speed (Str Sp) to 0. Wait for the motor to stop.
Adjust the stirrer speed to greater than 8 but
less than or equal to 25.