Fip-1. 16 Env. Sensor Error 010-354 - Dell 2135cn Service Manual

FIP-1. 16 Env. Sensor Error 010-354

Step
Possible causative parts:
SENSOR HUM (PL10.4.20)
HARN ASSY HUM (PL10.4.21)
PWBA MCU (PL10.7.7)
Does the error still occur when the power is turned OFF and
1
ON?
Checking after reseating the SENSOR HUM
Reseat the SENSOR HUM.
2
Does the error still occur when the power is turned OFF and
ON?
Checking the HARN ASSY HUM for continuity
Disconnect J20 from the PWBA MCU.
Disconnect J201 from the SENSOR HUM.
Is each cable of J20 <=> J201 continuous?
3
Checking the power to SENSOR HUM
Disconnect the connector of J20 from the PWBA MCU.
4
Is the voltage across P20-4pin <=> ground on the PWBA
MCU, about +5 VDC?
Version 1 2008.02.01
Check
1 - 242
Chapter 1 Troubleshooting
Remedy
Yes
Go to step 2. End of work.
Go to step 3. End of work.
Replace the
Go to step 4. HARN ASSY
HUM.
Replace the
Replace the
SENSOR HUM.
PWBA MCU.
(Refer to COVER
(Refer to Removal
ASSAY SIDE L
31/ Replacement
Removal 14/
29.)
Replacement 46)
No