Manual No. 0183B
28/29
IPC Series Service Manual
4.3 Troubleshooting
Symptom
Cause
Measure
1. Trouble of dry battery power
supply system
•
Check and replace dry batteries
•
Confirmation and exchange of
battery harness
2. AC adaptor trouble
•
Check output voltage (DC2.4-6.0V)
and replace AC adaptor
1. The display check does not
start when the power switch is
pushed.
3. Main board trouble
•
Replace the main borad PS-005A.
1. Garbled E2ROM data or
initialized state.
•
Initialize, perform C1, and C2 and
C3 settings, then push the memory
switch.
2. Power ON
→
Display check
→
"Err1"
2. Main board PS-005A trouble
•
Replace the main board PS-005A.
3. Power ON
→
Display check
→
"Err2"
1. Outside weight value start
range
•
Check if anything is placed on the
platter. If so, remove it.
•
Replace the load cell.
•
Replace the main board PS-005A.
4. Power ON
→
Display check
→
“0”kg does not appear on the
display.
1. Weight value is unstable.
•
Check if something comes in contact
with the platter. If so, remove it.
•
Check if there is wind or vibration
near the machine. If so, avoid these.
•
Replace the main board PS-005A.
•
Replace the load cell.
5. Weight varies at four corners. 1. External or load cell trouble
•
Check if the horizontal state is being
kept.
•
Check if there is foreign article
between the platter and the case.
•
Check if space of limit adjustment
screw is narrow
•
Replace the load cell.
1. Outside of zero-adjustment
or tare subtraction range
•
Check that zero-adjustment or tare
subtraction is within the specified
range.
6. The ZERO or TARE key does
not function.
2. Weight value is unstable.
•
Check if something comes in
contact with the platter. If so,
remove it.
•
Check if there is wind or vibration
near the machine. If so, avoid
these.
•
Replace the main board PS-005A.
•
Replace the load cell.
1. Auto power OFF setting.
•
Check if the auto power OFF
function works.
•
Default is 60 minutes.
7. The power supply cuts when
time passes.
2. Main board PS-005A trouble
•
Replace the main board PS-005A.