31
5
Maintenance
Required maintenance is limited to observation of rules related to proper operation, storage, and
transportation set forth in this Manual and also minor fault elimination.
Perform preventive inspections including check of controls, assembly reliability, and keypad
condition after the warranty period has expired and annually since then.
6
Troubleshooting
Fault occurrence:
The analyzer doesn’t turn on in battery operation.
Possible reason:
Extremely low charge or malfunction of the battery.
Methods of correction
: To check, you need to connect an external power supply. If the
device turns on, charge the battery. If, after charging, the analyzer still doesn’t turn on in
battery operation, contact the technical support service center to replace the defective
battery or repair.
Possible reason
: Firmware failure.
Methods of correction
: Update the firmware from an external computer (Section 4.9).
Fault occurrence:
The analyzer does not turn off in battery operation (display backlight is on).
Possible reason:
Program is “is hanging up”.
Methods of correction
:
Press and hold « » approximately for 5 second until the display
switches off. After releasing the key, turn on the analyzer.
Fault occurrence
:
High error in measuring the level of all channels or in a separate frequency
range.
Possible reason
: Increased wear of the RF input adapter.
Method of correction
: Replace the input adapter by the proper one.
Possible reason
: Incorrect setting the channel plan, as a result, when measuring, the analyzer
is tuned with frequency offset.
Method of correction
: Set up the channel plan (Section 4.4.2.1).
Possible reason
: Incorrect channel allocation standard (channel template).
Method of correction:
Check the value of the Channel template parameter
in the general
settings mode (Section 4.5).
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