Tescom TC-3000C - Unit Is Inoperative; Failure of Testing

3.13 Checking List for Common Problems
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3.13.1 Unit is inoperative
1. Verify that the AC power cord is connected to the TC-3000C
Make sure that the power cord is firmly plugged into the power module on the rear
panel. You should also make sure that the power source you plugged the TC-3000C
into is energized.
2. Verify that the front-panel power switch is depressed.
Verify that the TC-3000C’s power switch is in the “I” position.
3. Verify line voltage.
The available line voltage is 100 ~ 240 VAC
3.13.2 Failure of testing
1. Check whether Host and Host Controller of TC-3000C is connected with USB
or RS-232C cable.
2. Check primary parameters:
- Configuration  DUT  HCI Port
- Configuration  DUT  Path Loss
- Configuration  Tester  PIN code
- Configuration  DUT  Test Mode
- Configuration  DUT  DUT Type
3. Check Level.
If the RF level is lower or higher than the receiver sensitivity allows, the DUT may
not respond.
4. Check if DUT is set to Inquiry/Page scan mode