Panasonic DP-C405 Service Handbook page 337

Code Function
E4-25 Thermistor
(TH2) High
Temperature
Error
E4-26 Thermistor
(TH3) High
Temperature
Error
(DP-C322
Series)
E4-27 Thermistor
(TH4) High
Temperature
Error
E4-41 Fuser IH Core
Motor Rotation
Error
(DP-C322
Series)
E4-42 Fuser IH Core
Motor Position
Error
(DP-C322
Series)
Ver. 1.1
E4: Induction Heating (IH) Fuser Unit Error Codes
Contents
Thermistor (TH2)
output resistance is
lower than the
predetermined value.
(Higher than 230 °C)
Thermistor (TH3)
output resistance is
lower than the
predetermined value.
(Higher than 230 °C)
Thermistor (TH4)
output resistance is
lower than the
predetermined value.
(Higher than 190 °C)
Section
Fuser 1. Check the Thermistor (TH1) connector.
2. Thermistor (TH1) is defective.
3. Contact of Thermistor (TH1) and Heater
Belt is abnormal.
4. Check the Thermistor (TH2) connector.
5. Thermistor (TH2) is defective.
6. Induction Heating (IH) PCB is defective.
7. Check the EC PCB connector.
8. EC PCB is defective.
Fuser 1. Thermistor (TH1) is defective.
2. Thermistor (TH1) connector is
disconnected.
3. Contact of Thermistor (TH1) and Heater
Belt is abnormal.
4. Thermistor (TH3) is defective.
5. Thermistor (TH3) connector is
disconnected.
6. Induction Heating (IH) PCB is defective.
7. EC PCB connector is disconnected.
8. EC PCB is defective.
Fuser 1. Check the Thermistor (TH1) connector.
2. Thermistor (TH1) is defective.
3. Contact of Thermistor (TH1) and Heater
Belt is abnormal.
4. Check the Thermistor (TH4) connector.
5. Thermistor (TH4) is defective.
6. Induction Heating (IH) PCB is defective.
7. Check the EC PCB connector.
8. EC PCB is defective.
Fuser 1. Induction Heating (IH) Core Motor is
defective.
2. Induction Heating (IH) Core Motor
connector is disconnected.
3. EC PCB connector is disconnected.
(CN504)
4. EC PCB is defective. (Fuse is open)
5. EC PCB is defective.
Fuser 1. Induction Heating (IH) Core Motor is
defective.
2. Induction Heating (IH) Core Motor
connector is disconnected.
3. EC PCB connector is disconnected.
(CN502)
4. EC PCB is defective. (Fuse is open)
5. EC PCB is defective.
337
DP-C405/C305/C265
Check Points
FEB 2008