Olivetti d-Copia 3500MF Service Manual page 280

Code Contents
7200 Broken outer temperature
sensor wire
The sensor input sampling is
greater than 230.
7210 Short-circuited outer tem-
perature sensor
The sensor input sampling is
less than 69.
7221 Broken LSU thermistor wire
The sensor input sampling is
greater than 230.
7231 Short-circuited LSU therm-
istor
The sensor input sampling is
less than 69.
Service Manual
Causes
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Outer temperature sensor and front PWB
(YC8)
Front PWB (YC2) and engine PWB (YC8)
Defective outer Replace outer temperature sensor.
temperature sen-
sor.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-43).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Outer temperature sensor 2 and front PWB
(YC8)
Front PWB (YC2) and engine PWB (YC8)
Defective outer Replace outer temperature sensor.
temperature sen-
sor.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-43).
Defective connec- Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
tor cable or poor
contact in the con- replace the cable.
nector. Laser scanner unit and LSU relay PWB
(YC3)
LSU relay PWB (YC2) and engine PWB
(YC11)
Defective LSU Replace the laser scanner unit (see page 1-
thermistor. 5-24).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-43).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Laser scanner unit and LSU relay PWB
(YC3)
LSU relay PWB (YC2) and engine PWB
(YC11)
Defective LSU Replace the laser scanner unit (see page 1-
thermistor. 5-24).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-43).
1-4-38
2LL/2LJ/2LH
Check procedures/
corrective measures
Y113350-5