Kyocera TASKalfa 4500i Service Manual page 348

Code Contents
7601 ID sensor error
Dark potential error
FrontDarkP and FrontDarkS
are greater than 0.80V.
Light potential error
FrontBrightS is smaller than
FrontDarkS.
FrontBrightP is smaller than
FrontDarkP + 0.5V
7602 ID sensor error
Dark potential error
RearDarkP and RearDarkS
are greater than 0.80V.
Light potential error
RearBrightS is smaller than
RearDarkS.
RearBrightP is smaller than
RearDarkP + 0.5V.
7800 Broken outer temperature
sensor wire
The device did not respond for
more than 5 ms during read-
ing, in 5 times.
7810 Short-circuited outer tem-
perature sensor
The sensor input sampling is
less than 0.
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. ID sensor and relay PWB (YC10)
Relay PWB (YC1) and feed PWB 1 (YC14)
Feed PWB 1 (YC2) and engine PWB (YC5)
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-47).
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. ID sensor and relay PWB (YC10)
Relay PWB (YC1) and feed PWB 1 (YC14)
Feed PWB 1 (YC2) and engine PWB (YC5)
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-47).
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 1-5-47).
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 1-5-47).
1-4-44
2LL/2LJ/2LH-1
Check procedures/
corrective measures