Ricoh A151, Field Service Manual

Page: 79 / 397

2.5 SERVICE CALL AND USER CODE TABLE
Service Call Code
E-code Contents
SP Mode No.
(SC Counter)
11 Exposure Lamp Error
The feed back signal becomes higher than 4.2 volts (rms)
for 1.0 second when the exposure lamp is on, or it
becomes higher than 1.0 volt (rms) for 1.0 second when
the exposure lamp is off. SP122
(Exposure Lamp)
12 Exposure Lamp Error
The feed back signal falls below 0.5 volt (rms) for
1.0 second when the exposure lamp is on, or the
exposure lamp stays on for longer than 10 seconds.
13 Zero Cross Signal Error
The CPU does not receive the zero cross signal within 2.0
seconds.
–
21 Scanner Home Position Error
The scanner home position sensor’s output remains LOW
(de-actuated) for 9 seconds after the main switch is turned
on. SP121 (Optics)
22 Scanner Home Position Error
The scanner home position sensor’s output remains HIGH
(actuated) for 1.0 second after the scanner starts.
28 Lens Home Position Error (FT3213 copier only)
The lens home position sensor’s output remains LOW
(de-actuated) for 6.0 seconds after the lens moves to the
home position.
29 Lens Home Position Error (FT3213 copier only)
The lens home position sensor’s output remains HIGH
(actuated) for 4.0 seconds after the lens leaves the home
position.
2A 4th/5th Mirror Home Position Error
(FT3213 copier only)
The 4th/5th mirror home position sensor’s output remains
LOW (de-actuated) for 3.0 seconds after the 4th/5th mirror
assembly moves to the home position.
2B 4th/5th Mirror Home Position Error
(FT3213 copier only)
The 4th/5th mirror home position sensor’s output remains
HIGH (actuated) for 4.0 seconds after the 4th/5th mirror
assembly leaves the home position.
40 Optics Thermistor Error
The optics thermistor is defective (open).
52 Fusing Warm-up Error
The temperature detected by the thermistor does not
reach 150°C within 45 seconds after the main switch is
turned on. SP124
(Fusing)
Refer to NOTE.
53 Fusing Overheat
The temperature detected by the thermistor becomes
higher than 240°C.
55 Fusing Thermistor Open
The temperature detected by the thermistor does not
reach 2°C within 20 seconds after the main switch is
turned on.
SER
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FSM 4-23 A151/A152