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Tools Required
Ratchet 21 in-lb
Hand Torque Driver 9 in-lb
Hand Torque Driver 6 in-lb
Knife blade
Long nose pliers
Torque screw driver
Torxdriver T-10
Torxdriver T-15
Safety Considerations
Before you disassemble the instrument, turn the power switch off and
WARNING
unplug the instrument. Failure to unplug the instrument can result in
personal injury.
CAUTION
Electrostatic discharge (ESD) can damage or destroy electronic
components. All work on electronic assemblies should be performed at a
static-safe workstation.
Functionality Check
This procedure verifies that the signal generator powers up and that the internal instrument check
identifies no errors. The internal check evaluates the correctness of operation and returns an error
message if it detects a problem.
1. Turn on power to the signal generator by pressing the power switch. Let the instrument warm up
for at least 60 minutes.
2. Cycle the power to the signal generator. The green LED should light and the instrument performs a
self check.
3. When the display lights, check to see if the ERR annunciator is on.
4. If the ERR annunciator is on, review the error messages in the queue by pressing
View Next Error Message
to the signal generator error messages document information about the error message.
If there is more than one error message (each message is designated n of n), continue pressing the
View Next Error Message
5. After you resolve all of the errors, press
this procedure at step two.
NOTE
For instruments with Option 1E5, the error message ERROR 514, Reference Oven Cold
occurs when you first connect the signal generator to AC line power. The OVEN COLD
annunciator and the ERR annunciator both turn on. The OVEN COLD annunciator automatically
clears after approximately 5 minutes. The error queue cannot be cleared, however, until the
OVEN COLD annunciator turns off.
4
. The first error message in the queue appears in the display text area. Refer
softkey until you have seen all of the messages.
Clear Error Queue(s)
Utility
to delete the messages. Then restart
Installation Note E4400-90344
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Error Info
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