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e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 14 November 2003 © TOSHIBA TEC
16
Error content
Initial abnormality
IH power voltage abnormality
IGBT high temperature abnormality /
Continuous energization (15 sec.)
IH circuit/coil abnormality
IH power voltage abnormality
IGBT high temperature abnormality /
Continuous energization (15 sec.)
IH circuit/coil abnormality
IH power voltage abnormality
IGBT high temperature abnormality /
Continuous energization (15 sec.)
IH circuit/coil abnormality
Normal
Checking timing
Power ON
In warming up
Detecting 40°C
In warming up
Detecting 40°C
During ready status
During ready status
During printing
At Energy Saving Mode
H1ERR1
L
L
L
H
L
L
H
L
L
H
H
Error code
C470
C470
C480
C490
C470
C480
C490
C470
C480
C490
-
H1ERR2
L
L
H
H
L
H
H
L
H
H
L
(2) IH error
Port input value
Initial abnormality:
CPU (IH) abnormality is not cleared.
IH power voltage abnormality:
The input voltage becomes above 20% (approx.) or below 20% (approx.) of the rated voltage.
IGBT high temperature abnormality:
Overheating of IGBT or short- or open-circuit of IGBT temperature-detecting sensor.
IH circuit abnormality:
Abnormality in IH circuit
IH coil abnormality:
Temperature-detecting sensor in IH circuit is abnormal, or IH coil is open-circuited or wrongly in-
stalled.