6. MAINTENANCE & TROUBLESHOOTING
6.4Error Message
The table below shows all the error messages which may appear.
Error message | Meaning |
|
|
PLL1 Unlock | PLL circuit on the TX/RX pcb 05P0774 has unlocked. |
|
|
PLL2 Unlock | PLL circuit on the DUP RX pcb 05P0777 has unlocked (only |
| |
|
|
ANT ERROR | The antenna is abnormal. In this condition, if the |
| transmission continues more than five seconds, the output |
| power is reduced to approximately 10W. |
|
|
GPS ERROR | There is no L/L input from a positioning sensor for more than |
| one minute. |
|
|
System Error | The DSP (digital signal processor) is abnormally. |
|
|
Printer PE | Printer is disconnected or paper runs out. |
|
|
Note: If the CPU is abnormal, the beep sounds continuously until turning off the power.
6.5Parts Location
Transceiver unit FM-8800D/8800S
PWR pcb |
|
| TX/RX pcb |
|
| ||
05P0776 |
|
| 05P0774 |
DUPLEXER |
|
|
|
Top cover removed
PANEL pcb 05P0772
DUP RX pcb 05P0777
CH70 RX pcb
05P0775 CPU pcb
05P0773
Bottom cover removed