Oki IP-6620 Maintenance Manual page 276

5.5.35 System Error 2400: Environmental Temperature Thermistor Error
<Description>
The ambient temperature sensor's value is:
- -10°C or less; or
- 85°C or more
<Faulty part>
(1) PCB-ASSY-ACT3
(2) PCB-ASSY-IPB5-100
(3) Ambient temperature thermistor
(4) CABLE(SubTank2-IF)-ASSY(MW)
<Action>
Check the Items to be Checked on the table below, and perform the actions starting from the top
until the problem is solved.
No
1 Thermistor's harness condition
2 Thermistor
3 PCB-ASSY-ACT3
4 PCB-ASSY-IPB5-100
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
Items to be Checked
OKI Data Infotech Corporation CONFIDENTIAL
Check that the thermistor harness condition is proper as
follows.
- The connectors are connected securely.
- The cable is not disconnected.
- The harness is not pinched by other parts.
- The cable jacket is not damaged.
Replace the thermistor.
Replace the PCB-ASSY-ACT3.
Replace the PCB-ASSY-IPB5-100.
Action
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