EXCELL PRECISION CO., LTD.

<Chapter 9> Maintenance

9-1 Default Recovery for All Parameters

(1)Adjust the calibration switch to “ON”, when re-zeroing after turning on, press F1 ENTER and hold simultaneously.

(2)The screen will display . .

(3) If decided, press ENTER and hold until displaying

, and then adjust the

calibration switch to “OFF”.

 

9-2 Default Recovery for General Function Parameters

(1) When re-zeroing after turning on, press F1 ENTER and hold simultaneously.

(2) The screen will display . .

ENTER

(3) If decided, press and hold until re-turning on.

9-3 Self-diagnosis Mode

(1)When re-zeroing after turning on, press ZER O and hold.

(2)The screen will display , which means entered self-diagnosis mode.

(3)Use ZERO or TARE keys to select item intended to test.

Press ENTER

key to enter self-diagnosis, and press E S C key to escape.

Item

Display

Testing Item

1

Program Version Number Displaying

2

 

7-segment Display Testing

3

Keypad and Calibration Switch Testing

4

AD Conversion Value Displaying

5

 

EEPROM Testing

6

 

RTC Date & Time Testing

7

OP-1 RS232 Serial Output Interface Testing

FM User Manual

34

SME300000119

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Excell Precision FM Maintenance, Default Recovery for All Parameters, Default Recovery for General Function Parameters