Nokia RM-340 User Manual

Figure 16 Signal diagram
SIM card rejected
The error ”SIM card rejected” means that the ATR message received from SIM card is corrupted, e.g. data
signal levels are wrong. The first data is always ATR and it is sent from card to phone.
For reference a picture with normal SIM power-up is shown below.
Figure 17 Signal diagram
User interface
Blank display
Context
The display does not show any information at all. If there is only main or sub display blank, the problem
mostly exists in individual display. Replace related display first. For main and sub display blank, refer to
troubleshooting flow below.
RM-340; RM-341
Baseband Troubleshooting Instructions
Page 3 –16 COMPANY CONFIDENTIAL Issue 1
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Nokia RM-340 Specifications

General

Brand	Nokia
Model	RM-340
Category	Telephone
Language	English