Panasonic DP-C405 - Page 336

336
DP-C405/C305/C265
FEB 2008Ver. 1.1
E4-13 Fuser IH
Cooling Fan
Rotation
1. The rotation of the
IH Cooling Fan is
not being detected
within a
predetermined
time.
2. Fuser IH Cooling
Fan keeps rotating
after a
predetermined time
has lapsed.
Fan 1. Check the Fan connector.
2. Fan is defective.
3. Check the EC PCB connector (CN503).
4. EC PCB is defective.
E4-14 Fuser IH Driver
Fan Rotation
1. The rotation of the
Fuser IH Driver Fan
is not being
detected within a
predetermined
time.
2. Fuser IH Driver Fan
keeps rotating after
a predetermined
time has lapsed.
Fan 1. Check the Fan connector.
2. Fan is defective.
3. Check the EC PCB connector (CN510).
4. EC PCB is defective.
E4-20 Thermistor
(TH1) Open
Error
Thermistor (TH1)
output resistance is
higher than the
predetermined value.
Fuser 1. Check the Thermistor (TH1) connector.
2. Thermistor (TH1) is defective.
3. Check the Fuser Unit Relay connector.
4. Check the EC PCB connector (CN502).
5. EC PCB is defective.
E4-21 Thermistor
(TH2) Open
Error
Thermistor (TH2)
output resistance is
higher than the
predetermined value.
Fuser 1. Check the Thermistor (TH2) connector.
2. Thermistor (TH2) is defective.
3. Check the Fuser Unit Relay connector.
4. Check the EC PCB connector (CN502).
5. EC PCB is defective.
E4-22 Thermistor
(TH3) Open
Error
(DP-C322
Series)
Thermistor (TH3)
output resistance is
higher than the
predetermined value.
Fuser 1. Thermistor (TH3) is defective.
2. Thermistor (TH3) connector is
disconnected.
3. Fuser Unit Relay connector is
disconnected.
4. EC PCB connector is disconnected.
(CN502)
5. EC PCB is defective.
E4-23 Thermistor
(TH4) Open
Error
Thermistor (TH4)
output resistance is
higher than the
predetermined value.
Fuser 1. Check the Thermistor (TH4) connector.
2. Thermistor (TH4) is defective.
3. Check the Fuser Unit Relay connector.
4. Check the EC PCB connector (CN502).
5. EC PCB is defective.
E4-24 Thermistor
(TH1) High
Temperature
Error
Thermistor (TH1)
output resistance is
lower than the
predetermined value.
(Higher than 220 °C)
Fuser 1. Check the Thermistor (TH1) connector.
2. Thermistor (TH1) is defective.
3. Induction Heating (IH) PCB is defective.
4. Check the EC PCB connector (CN508).
5. EC PCB is defective.
E4: Induction Heating (IH) Fuser Unit Error Codes
Code Function Contents Section Check Points