Troubleshooting - WisyCom MTK982 User Manual

Troubleshooting

Alarms
TX Power Mismatch
reduced TX Power
Timeout 5 sec on PLL
bus I2C Error
Timeout 5 sec on PLL
OL 969
High internal
temperature
Fan #1 doesn't work
Fan #2 doesn't work
Recovered
configuration and
calibration data from
copy1 on the memory
Recovered
configuration and
calibration data from
copy2 on the memory
Load default
configuration and
calibration data
If a problem not listed in the above table occurs or if the problem cannot solved with the proposed
troubleshooting, please contact support service at
Alarm description
The SWR on Tx out is too high
The SWR on Tx out is too high,
the RF power is reduced
Error during frequency tuning
Error on I2C bus
Error during frequency tuning
One of the 4 temperature
sensors measures a temperature
> 60°C
The fan on the left (#1) doesn't
turn
The fan on the right (#2) doesn't
turn
During the MTK982 initialization
phase, the CRC-16 check of data
(copy1) detects error.
During the MTK982 initialization
phase, the CRC-16 check of data
(copy2) detects error.
During the MTK982 initialization
phase, the CRC-16 check of data
(copy1 and copy2) detects error.
MTK982 User Manual
Troubleshooting
- check if the antenna is correctly connected
- check if the antenna cable is correctly
connected
- check if the antenna frequency is according
to the one set on the transmitter
- check if the antenna is correctly connected
- check if the antenna cable is correctly
connected
- check if the antenna frequency is according
to the one set on the transmitter
- send to repair at Wisycom Repair Centre
- send to repair at Wisycom Repair Centre
- send to repair at Wisycom Repair Centre
- check if the two fans work properly (check
alarms code 0x02 or 0x03 on the alarm list)
- switch off the MTK982 for cooling and check
the location temperature
- clean the ventilation grids
- switch off and switch on the MTK982
- switch off and switch on the MTK982
- none (the MTK982 automatically replaces
the corrupt copy1 with copy2)
- none (the MTK982 automatically replaces
the corrupt copy2 with copy1)
- check in the MAIN>Options>info menu the
Serial take on the 'UNCAL' vale. In this case
send the MTK982 to the Wisycom Repair
Centre for recalibration.
support@wisycom.com
rev.03
or sales@wisycom.com.
16