Service manual

Level 1-2 Service Manual Troubleshooting
July 1, 2005 29
Troubleshooting
Manual Test Mode
MotorolaC257/C261 telephones are equipped with a manual test mode capability. This allows
service personnel to verify functionality and perform fault isolation by entering keypad
commands.
To enter the manual test command mode, a GSM/DCS/PCS test SIM must be used.
1. Press and hold to turn the phone OFF.
2. Remove the battery as described in the procedures.
3. Remove the customer’s SIM card from the phone as described in the procedures.
4. Insert the test SIM into the SIM slot.
5. Replace the battery as described in the procedures.
6. Press and hold to turn the phone ON.
Manual Test Mode Commands
Table 3: Manual Test Commands
Key Sequence Test Function/Name Remarks
#02# Handset information
#03# RF information
#04#
ADC information
#08#
Engineer Field Test Mode
#09#
Simple Test mode
**0102#
FFS format
**0105#
Disable EFEM mode
*#06# IMEI number