CU Medical Systems i-PAD NF1200, Руководство по обслуживанию

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Failure: Automatic periodic self- tests are not running
Possible Causes Action
1
Battery pack is not inserted into the i-
PAD NF1200 during storage Verify that the battery pack is inserted into the i-PAD
NF1200 during storage. Turn the i-PAD NF1200 and verify
that it turns ON.
Insert the battery pack if it is not inserted.
2
Real time clock battery is dead. The real time clock chip is powered by a separate 3V
Toshiba Coin Battery (CR1220) (BT1 on the main PCB). If
the coin battery voltage falls below 2.5 V, replace it with a
new one.
3
Real time clock chip failure Replace the main board.
Verify the solution by making the i-PAD NF1200 conduct
automatic self-tests.
If the problem persists, put the original main board back
and contact the manufacturer.
Failure: The i-PAD NF1200 keeps incorrect date and time.
Possible Causes Action
1
Real time clock chip battery failure. Replace the dedicated real time clock battery cell.
Verify the solution by doing the following:
1. Synchronize the i-PAD NF1200 with a clock
using the CU Expert.
2. Turn the i-PAD NF1200 OFF.
3. After one hour, determine the time setting of
the i-PAD NF1200 using the CU Expert. Verify
that the time indicated is synchronized with the
clock used in step 1.
2
Real time clock chip failure;
Microprocessor failure Replace the main PCB. Verify the solution by doing the
verification steps in possible cause no. 1 above.