Minolta Di152 - C0500: Warm-Up Failure C0510: Abnormally Low Fusing Temperature C0520: Abnormally High Fusing Temperature

FrameMaker Ver.5.5E(PC) Di152/Di183 TROUBLESHOOTING
01.09.04
T-28
(6) C0500: Warm-up failure
C0510: Abnormally low fusing temperature
C0520: Abnormally high fusing temperature
C0500: Warm-up failure; C0510: Abnormally low fusing temperature
Relevant Electrical Parts
Fusing Heater Lamp (H1)
Thermistor (TH1)
Thermoswitch 1 (TS1)
Fusing Unit Interlock Switch (S2)
DC Power Supply (PU1)
Master Board (copier: PWB-A)
Step Check Result Action
1 • Fusing Heater Lamp (H1) turns
ON.
YES • Go to step 3.
NO • Go to step 2.
2 Fusing Heater Lamp (H1) is open-cir-
cuited.
<Check Procedure>
Check the resistance across both
ends of the Fusing Heater Lamp
(H1).
The Fusing Heater Lamp is open-cir-
cuited if the resistance is infinity.
YES • Change Fusing Heater Lamp (H1).
3 Thermoswitch 1 (TS1) is operational.
<Check Procedure>
Check the resistance across both
ends of the Thermoswitch 1 (TS1).
The Thermoswitch 1 is open-circuited
if the resistance is infinity.
NO • Change Thermoswitch 1 (TS1).
CN2PU1
HEATER_L
HEATER_N
R
R
PWB-A
Master Board
PU1
DC Power Supply
FUSING SECTION
POWER SUPPLY SECTION
Fusing Heater
Lamp
Thermistor
Thermo-
switch 1
Fusing Unit
Interlock Switch
Not Use
Not Use
4022T530AA