Error Troubleshooting
Phaser 7100 Service Manual Xerox Internal Use Only2-298
Environment (Temp/ Humidity) Sensor Error
The Environment (external) Sensor temperature error (low temp/ high temp).
Applicable Fault Code
• 092-316: Environment Sensor Fail
Initial Actions
• Power cycle the printer.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
• MCU PWB, PL 12.1.15
• Temp/ Humidity (Environmental) Sensor, PL 12.2.18
• Main Harness Assembly, PL 12.3.1
• Electrical on page 7-53
Troubleshooting Procedure
Step Actions and Questions Yes No
1. Check the installation of the Temp/ Humidity
(Environmental) Sensor (REP 12.15 Temp/
Humidity (Environmental) Sensor on
page 4-225).
Is the Temp/ Humidity Sensor installed properly?
Go to step 2. Reinstall the Humidity
Sensor.
2. Check the connection between the Temp/
Humidity Sensor and MCU PWB.
Are the connectors P/J4651B and P/J465A
connected securely?
Go to step 3. Connect the
connectors P/J4651B
and P/J465A.
3. Check the conductivity between the Temp/
Humidity Sensor and MCU PWB.
Is the connection between P/J4651B <=>
P/J465A conducting properly?
Go to step 4. Replace the Main
Harness Assembly.
4. Check the voltage supply (+5VDC) to the Temp/
Humidity Sensor.
Measure the voltage between the MCU PWB
GND <=> P/J465A-B4.
Is there a voltage (approx. +5VDC) output?
Go to step 5. Go to +5VDC Power
Troubleshooting on
page 2-457.
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