Ricoh G176 Service Manual page 74

Service Call Conditions
Fusing thermistor error
The fusing temperature did not rise
higher than 20
the main motor switched off.
541 A
-or-
The fusing temperature was detected
lower than 0
power relay switched on.
Fusing temperature warm-up error
Just before reaching warm-up
temperature, the fusing temperature
did not rise above 80
after the power relay switched on.
Note:
The machine starts to test the
542 A
temperature 2 sec. after the
machine powers on if the machine
temperature is above 45
If the machine temperature is
below 45
sampled until the machine
temperature reaches 45
Fusing overheat error – software
The fusing temperature was detected
higher than 245
ms while the main motor was on or
543 A
within 60 sec. after the main motor
switched off. -or-
The fusing temperature was detected
higher than 235
ms at any other time.
G176/G177/G176L
o
C within 11 sec. after
o
C for over 1 sec. after the
o
C within 17.5 sec.
o
C.
o
C, the temperature is not
o
C.
o
C for longer than 200
o
C for longer than 200
4-4
Thermistor disconnected,
defective
Fusing lamp disconnected,
defective
Fuse blown
Power supply board defective
Fusing unit connected
improperly
Thermistor defective
Fusing lamp open
Fusing thermostat open
Power supply board Defective
Defective connection of the
fusing unit
Fusing thermistor defective
Power supply board defective
SM