Environment Sensor Temperature - Xerox DocuColor 2240 Service Manual

9-660 Environment Sensor Temperature

An incorrect value was detected by the Environment Sensor (Temperature).
Procedure
Disconnect P/J255. There is 1 Ohm or less measured between P255-3 and P255-4 on the
Environment Sensor (Figure 1).
9-661 Environment Sensor Humidity
An incorrect value was detected by the Environment Sensor (Humidity).
Procedure
There is +0.4VDC to +17VDC from P/J536-B3 on the I/F PWB to GND
Y N
There is +5VDC from P/J536-B4 on the I/F PWB to GND.
A
Status Indicator RAPs
9-660, 9-661
Y N
Replace the Environment Sensor
Replace the I/F PWB
Figure 1 9-660 Rap Circuit Diagram - Environment Sensor
A
Y
Go to
(Figure 1). Environment Sensor
Replace the I/F PWB
Figure 1 9-661 Rap Circuit Diagram - Environment Sensor
02/03
2-200
(PL 1.3).
(PL 9.1) and MCU PWB (PL
N
Go to Figure 1. Check the wires and connectors. If the check is OK, replace the
MCU PWB (PL 13.1).
Figure 1. Check for an open circuit and poor contact if the check is OK replace the
(PL 1.3).
(PL 9.1). If the problem continues, replace the MCU PWB
13.1) in sequence.
(PL 13.1).
Initial issue
DC 3535/2240/1632