# Paradox MG5050, SP6000 & SP65 Serial Programming (done)

*Tested on Plus range version 1.30*

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#### Serial Programming Notes

these are **MANDATORY**:

**Section 910**
- Must be cleared using sleep button (once per digit)

**Sec andtion 911**
- Must be cleared using sleep button (once per digit)


#### Troubleshooting Tips

1. **Panel won't send despite correct programming:**
   - Rarely, a default may be needed
   - Power down, default, reprogram

2. **Account number issues:**
   - MUST be entered at both 811 and 812
   - With LED keypad: type account code twice at loc 811

3. **6500 Panel on serial:**
   - Does not send account code
   - Only sends signal ONCE

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#### Clear Event Buffer

For 5050 and 6000:

1. Enter programming mode
2. Press Stay key once
3. Press Clear key once
4. Power panel down
5. Power up and send signals

For SP65:
- Press Power button → Installer code → Memory → 9 → Enter key