Service Manual

69
Chart 2—Error 12/10
Ye s
No
Ye s
No
Ye s
No
START
Is the VRS
mobile interface cable
connected?
Are the
regulated voltages
present?
Reconnect the
cable.
Is the
VRS750 firmware
correct?
Troubleshoot the
regulator circuit.
Check the
transceiver board.
Flash the VRS750
with the correct
firmware.
ERROR 12/10
Chart 3—Error
12/81
START
Reprogram the
Flash Memory.
ERROR 12/81
Chart4—Error
12/82, Codeplug
Checksum Error
START
Reprogram the
VRS750 Codeplug.
ERROR 12/82
Chart 5—Error 12/84, Configuration
Register Corruption
Ye s
No
START
Reflash the VRS750
with the correct
version firmware.
Reset the system.
Is the
12/84 error still
displayed?
Replace the
transceiver board.
Problem is
corrected.
ERROR 12/84
Chart 6—Error 12/88, HC11
RAM Failure
Replace
the transceiver.
Error
12/88
ERROR 12/88