Chapter 9> maintenance, 1 default recovery for all parameters, 2 default recovery for general function parameters – Excell Precision FM User Manual
Page 35: 3 self-diagnosis mode, Excell precision co., ltd, Item display testing item 1

EXCELL PRECISION CO., LTD
.
FM User Manual
SME300000119
34
9-1 Default Recovery for All Parameters
(1) Adjust the calibration switch to
“ON”, when re-zeroing after turning on, press
and hold simultaneously.
(2) The screen will display
.
.
(3) If decided, press 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 and hold simultaneously.
(2) The screen will display
.
.
(3) If decided, press and hold until re-turning on.
9-3 Self-diagnosis Mode
(1) When re-zeroing after turning on, press and hold.
(2) The screen will display
, which means entered self-diagnosis mode.
(3) Use or keys to select item intended to test.
Press key to enter self-diagnosis, and press 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
F1
ENTER
ENTER
F1
ENTER
ENTER
ZE R O
ZERO
TARE
ENTER
E S C