Samsung CP1395E-S Service Manual page 33

4-3-4 E-23
Check the heater
related drive part.
Replace the heater.
Reconnect the temperature
sensor properly.
Replace the
heater.
Preheating Error (E-23)
NO
Does the heater work?
YES
YES
Is the heater temperature
very low?
NO
NO
Is the temperature sensor
connected properly?
YES
Is the resistance
YES
between the heater terminals
more then a few MΩ?
NO
S/W Error
After Power > On,
NO
does the symptom continue?
YES
Replace the PCB.
Perform the calibration
(Refer to page 18)
Perform the operation again and check if it
is working properly.
- 31 -
: Check the voltages of
both heater terminals.
230V is normal
: After operating the heater for more then
10 minutes check if the heater temperature
remains low.
: A normal heater's resistance is a few Ω.
A short circuit increases the resistance
to a few MΩ.
RY610, RY609 Voltage :
Direct current 12 ~ 14V is normal