KERN DBS Service Manual page 57

measurement.
"ERR.121" is displayed.
"ERR.122" is displayed.
"ERR.123" is displayed.
"ERR.200" is displayed.
"ERR.202" is displayed.
"ERR.201" is displayed.
"COM.ERR" is displayed.
"ERR.124" is displayed.
DBS-SH-e-1210
3) Dirty heater (S5)
4) Dirty glass holder
5) Temperature calibration is incorrect.
Power supply voltage does not match the
factory setting.
1) Unstable power supply frequency or
voltage.
2) Defective power board assembly (B4)
3) Defective main board assembly (B2)
1) Defective power board assembly (B4)
2) Defective main board assembly (B2)
See "Zero-drift or span-drift is large" above.
See "Reproducibility for weight measurements is poor" above.
See "Does not reach temperature specified during moisture level measurement"
above.
Remove the dirt/contamination.
However, do not touch directly with
hands.
Remove the contamination.
Recalibrate temperature.
Supply the correct voltage.
Modify the factory setting.
Supply the correct frequency and
voltage.
Replace the power board assembly
(B4).
Replace the main board assembly
(B2).
Replace the power board assembly
(B4).
Replace the main board assembly
(B2).
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