5322A
Calibration Manual
90
Maintenance
XW
Warning
To prevent possible electrical shock, fire, or personal injury:
• For safe operation and maintenance of the Product, turn the Product off and
remove the mains power cord. Stop for 2 minutes to let the power assemblies
discharge before you open the fuse door.
• Do not operate the Product with covers removed or the case open. Hazardous
voltage exposure is possible.
• Remove the input signals before you clean the Product.
• Use only specified replacement parts.
• Use only specified replacement fuses.
• Have an approved technician repair the Product.
This section explains the routine maintenance and tasks required to keep the Product in
optimum condition. The tasks covered in this section include:
• Clean the internal relays used in Ground Bond Resistance and Loop/Line functions.
• Fuse replacement.
• Clean the air filter and external surfaces.
• There are no user-serviceable items within the Product. Do not remove the Product covers.
For intensive maintenance, tasks such as repair, contact the Fluke Calibration service
center.
• Calibrate the Product annually.
ID
Error message
Description
742
Interface data
Internal communication error.
743
Interface receive
Internal communication error.
744
Measurement not
available
Internal communication error.
745
Ifc ready timeout.
Internal communication error.
750
GBR sense
overloaded
Sense terminal current is too high.
801
Option not
installed.
Unavailable selected function. Option not installed.
-
Current timeout.
Maximal thermal load in ground bond, loop/line
resistance is reached. The Product disconnected the
output terminals. Leave the Product in STANDBY mode
for 5 minutes.
Table 34. Error Messages (cont.)
Содержание 5322A
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