Service manual

SC Tables
D127/D128 6-14 SM
No.
Definition
Symptom Possible Cause
901 B
Mechanical total counter error
The condition of the mechanical
counter on the electric hard is
disconnection on activating the
counter when SP mode
“Anti-tampering system” is ON.
 Defective harness between
mechanical counter and BICU.
 Defective BICU
 Defective mechanical total
counter
 Loose connection of harness
between mechanical counter
and BICU.
 Mechanical counter has been
pulled out while accounting
operation.
995 B
Model information error
NOT according manufacturing
number (11 digits) with product
identification code.
 Defective BICU
 Defective NVRAM
 Defective controller