Display Information : "Contact Service; Fig 6 Troubleshooting When Contact Service Message Seen - Nokia RH-53 Troubleshooting Instructions

Nokia Customer Care
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Display information : "Contact Service"

This error can only happen at power up where several self-tests is run. If any of these test cases
fails the display will show the message: "Contact Service".
It's individual test cases so the below lineup of error hunting's has no chronological order. Use
common sense and experience to decide which test case to start error hunting at.
Figure 6:Troubleshooting when Contact Service message seen
Display shows
"Contact Service"
Yes
between UPP & UEM?
SIM interface between
12
EarDa & MicDa
between
UPP and UEM?
MBUS interface
between
UPP and UEM?
AuxDa & UEMInt
between
UPP and UEM?
SleepX & SleepClk
TXI/QD & RXI/QD?
UPP & UEM
Key is stucked
Flash checksum
ASIC version vs. compilation flag, PMM checksum
PMM validity
Warrenty Information State
SIM-Lock
COMPANY CONFIDENTIAL
Copyright © 2004 Nokia. All Rights Reserved.
No
Check :
A-face, domesheet, PWB.
Reflash phone
RH-53/54
Check :
PWB.
Else defective D200*
or D400*
Check :
PWB.
Else defective D450 (FLASH)
ISSUE 1 09/2004