
4
ERROR MESSAGE
Error Message
Description
Solution
Nothing appears on the
display after pushing
ON/OFF key.
1. Check display.
2. Disassemble indicator.
3. Check wires and control panel.
(refer P.7 & P.9)
Can’t switch on scale
using AAA battery.
Battery housing wires are
disconnected or broken. (refer P.7)
Can’t switch on scale
using AC adaptor.
1. AC adaptor damaged.
→
Replace adaptor.
2. AC jack wires are disconnected.
(refer P.7)
Low battery indication.
1. Check battery voltage (>6V) and
if needed replace new battery for
operation.
2. If the problem still persists
inspect soldering of controller
PCB or replace the controller
PCB.
Scale zeroed under its
initial balance.
1. Check the load cell and its wiring
(refer P.7).
2. Replace load cell, then re-
calibrate the scale. (for re-
calibrating refer P.17)
Scales zeroed exceed its
initial balance.
1. Remove the weight from scale.
2. Check the load cell’s resistance.
(See P.11)
3. If you change the load cell,
please re-calibrate the scale.
(refer P.17)
Overload
1. Remove the weight from scale.
Overload: Maximum ca 9d
EEPROM data incorrect.
1. Check IC3 is soldered or not.
(Refer P.26 Bottom overlay)
2. Replace controller PCB.
3. Re-calibrate the scale. (refer
P.17)
Содержание MS2500
Страница 4: ...3 PANEL OVERLAY 1 NP 4444...
Страница 13: ...12 TROUBLESHOOTING TREE...
Страница 22: ...21 SCHEMATICS MAIN BOARD CH 0733 Main Board CH 0733 P 1 3...
Страница 23: ...22 Main Board CH 0733 P 2 3 RS 232 OPTION...
Страница 24: ...23 Main Board CH 0733 P 3 3...
Страница 25: ...24 LAYOUT MAIN BOARD CH 0733 PRIMARY SIDE OF MAIN BOARD CH 0733...
Страница 26: ...25 SCHEMATICS POWER BOARD CH 0689 LAYOUT POWER BOARD CH 0689...
Страница 27: ...26 SCHEMATICS JUNCTION BOARD CH 0525 LAYOUT JUNCTION BOARD CH 0525...
Страница 28: ...27 MS 2500 PARTS ASSEMBLY Please refer to P 30 for the list of spare parts...
Страница 29: ...28 DP2701 NP 4444 INDICATOR PARTS ASSEMBLY Please refer to P 29 for spare parts list...