Physical Layout
Your Zap has components on two sides:
Side A (Output Side/"OUT")
Reset Button – located to the left
Blue Status LED – located to the left of the reset button
Green Terminal Blocks (for future sensors) – located in the center
P1 Output Port (RJ12) – located on the far right, covered by a removable cap
Green Data LED – located inside the output port
Side B (Input Side/“IN”)
P1 Input Port (RJ12) – located to the left
Power USB-C Port – located in the center
Green Power LED – located inside the input port
Note: The Zap is shipped with a pre-attached RJ12 cable connected to the input port.
Ports and Connections
P1 Input Port (RJ12)
Location: Input side, left of Power USB-C port
Purpose: Connects to your energy meter's P1 port
Cable: Use included RJ12 cable
Power: Receives power from meter (no USB-C needed)
USB-C Port
Location: Input side, center
Purpose:
External power when P1 port doesn't provide it
Firmware updates (advanced users only)
When needed:
P1 port provides no power
Daisy-chaining devices
Meter far from WiFi router
P1 Output Port (RJ12)
Location: Output side, right
Purpose: Connect additional P1 devices (daisy-chain)
Default: Covered with removable cap
Important: When this port is in use, the Zap must receive external power via USB-C.
Green Terminal Blocks
Location: Output side, center
Purpose: Future sensor connections
Status: Reserved for upcoming features
Current use: Not active
LED Indicators
Power LED (Green)
Location: Input side, inside the input port
Solid green: Device has power
Off: No power - check connections
Data LED (Green)
Location: Output side, inside the output port
Blinks: Each time data is received from meter
Normal interval: Every 10 seconds
No blinking:
P1 port may be disabled
Contact grid operator to activate
Status LED (Blue)
Location: Output side, right (next to button)
Behaviors:
Pattern | Meaning |
Solid on | Bluetooth Setup mode - no WiFi configured |
Single blink at startup | Zap is starting |
Double blink | Connected to WiFi (usually within 30 seconds, may vary depending on WiFi coverage). |
Slow blinking | Button held 2-5 seconds (restart pending) |
Fast blinking | Button held 5+ seconds (reset pending) |
Single blink | Button pressed briefly |
Reset Button Functions
The button provides different functions based on how long you hold it:
Quick Press (< 2 seconds)
Action: Status LED blinks once
Result: No action (acknowledgment only)
Hold 2-5 Seconds
Visual: Status LED blinks slowly
Release action: Restarts device
Use when: Device seems frozen
Hold 5+ Seconds
Visual: Status LED blinks rapidly
Release action: Reset
Result:
Clears WiFi credentials
Device starts in Bluetooth setup mode
Use when:
Changing WiFi networks
Device won't connect
Selling/moving device
Normal Operation
When everything is working correctly:
Green Power LED: Solid on
Green Data LED: Blinks every ~10 seconds
Blue Status LED: Double blink pattern
App shows: Recent energy data
First-Time Setup
Connect The Zap to the meter's P1 port (input side) using included RJ12 cable
Power LED turns green
Status LED stays solid blue (setup mode)
Open The Sourceful Energy app
Enable Bluetooth on your phone
Follow app instructions
Select 2.4GHz WiFi network
Success: Status LED shows double blink
Troubleshooting Quick Reference
Problem | Check |
No LEDs | Power connection, try USB-C |
Status LED solid | Device in bluetooth setup mode, WiFi configuration needed. |
Status LED single blink but never any double blink after that. | WiFi connection failed. Improve wifi coverage, or reset and reconfigure wifi. |
No Data LED blinks | P1 port activation needed |
Device hot | Wrong port type - Disconnect! |
Important Notes
WiFi: Only 2.4GHz networks supported
Power: Most P1 ports provide power
Security: WPA2/WPA3 supported
Range: Stay close during setup (Bluetooth)
Updates: Automatic via WiFi
Support
For additional help:
Email: [email protected]
Include: LED behaviors, setup attempts
Photos: Meter connections if unsure