SYN-TECH III P25 PORTABLE RADIO
SERVICE MANUAL
5-1
5 TROUBLESHOOTING
Syn-Tech III P25 Portable Radio Error Messages are given in Table 5-1:
Table 5-1: Syn-Tech III P25 Portable Radio Error Messages
ERROR
MESSAGE
CAUSE SOLUTION
ERROR 201
Is displayed when an error has been
found in the external RAM.
Change the RF & Control Board
ERROR 202
Is displayed when an error has been
found in the audio processor
Reload firmware
ERROR 203 Unknown hardware version Return to factory
ERROR 302
Is displayed if the microcontroller cannot
connect with the DSP hardware.
Check if the digital board is firmly fitted on the
RF & Control Board
ERROR 303
Is displayed when a CRC error has been
found in the DSP software.
Firmware must be reloaded.
ERROR 304
Is displayed when an error
has been found during DSP RAM control.
Change the digital board.
ERROR 305
Wrong DSP software may have been
loaded
Firmware must be reloaded.
ERROR 306
Wrong DSP software may have been
loaded.
Firmware must be reloaded.
ERROR 309
Means that there is problem in the
base band codec on the DSP board.
Change the digital board.
ERROR 310
Means that there is problem with the
audio codec on the DSP board.
Change the digital board.
ERROR 311
Means that there is problem with the
base band codec or audio codec on the
DSP board.
Change the digital board.
ERROR 312 Unsuitable DSP firmware Reload firmware
ERROR 313 No TX audio detected by DSP Replace DSP
ERROR 502
Is displayed if the DSP software hasn't
been installed.
Firmware must be reloaded
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