Power Maintenance Guide - CTLE & CTLA

Power Maintenance Guide - CTLE & CTLA

Overview

This guide is designed to assist you in identifying and resolving power-related issues with the side-of-pole mounted E-Box. The E-Box can be configured for either Solar or A/C power. Note that our circuit boards require DC power; therefore, A/C powered units include a converter within the E-Box to ensure compatibility.

Applicable Models

This troubleshooting guide addresses power issues related specifically to E-Box controllers and collaborators. It applies to the following TraffiCalm devices involved in these setups:
  1. M75-SA300-CTLE
  2. M75-SA300-CLBE
  3. M75-SA300-CTLA
  4. M75-SA300-CLBA
  5. M75-SA30M-BSCA
  6. M75-DE0TS-CTLE
  7. M75-DE0TS-CTLA

Tools Needed

  1. Multimeter or voltmeter
  1. Screwdriver (Phillips-head)



Checking and Replacing Fuses

Blade Fuse (5 amp)

  • Location: Located on the electronics tray inside the E-box cabinet.
  • Action: Check and replace if necessary with a standard 5 amp blade fuse.


Battery and Solar Voltage Checks

Battery Voltage Levels

  • Normal Range: 12.4 - 14.2V DC.
  • Low Voltage Threshold: Below 10.4V may prevent system recovery without recharging to at least 12.4V.
  • To test individual batteries, disconnect one wire from the battery terminal and use a voltmeter to measure. This prevents the combined voltage from affecting the reading.

Solar Panel Output

  • Expected Output: 17-21V on sunny days; above 14V even on cloudy days.
  • Connection Check: Ensure the positive and negative are correctly connected. A negative reading indicates reversed connections.

AC Adapter Output

  • Expected Output: 13.6V
  • Applies to A/C converted units only.

Battery Access and Replacement

Accessing the Battery

  • To access the battery, open the fiberglass enclosure of the E-Box. The battery is located inside the cabinet.

For Generation 3 (Gen3) Models

  1. Removing the Battery:
    • The battery is secured with three bolts on the bracket. Unscrew these bolts to release the bracket.
    • Gently tilt the battery to disconnect the positive and negative terminals.
  2. Installing the Battery:
    • Place the new battery into the compartment ensuring correct orientation.
    • Attach the positive and negative terminals securely.
    • Reposition the bracket over the battery and fasten it with the three bolts.

For Generation 4 (Gen4) Models

  1. Removing the Battery:
    • The battery is secured by a retention strap. Loosen this strap and set it aside.
    • Lift the battery carefully and disconnect the positive and negative terminals.
  2. Installing the Battery:
    • Insert the new battery into the compartment, making sure it is upright.
    • Connect the positive and negative terminals.
    • Secure the battery by refastening the retention strap.

Final Checks

After replacing any parts or making adjustments:

  • Ensure all connections are secure.
  • Power on the system to check operational status.
  • Monitor the system for any irregularities during initial reactivation.

Replacement Parts

Here’s a table of common replacement parts you might need:

Part Description Part Number
Battery 12V 13AH ADVANCE TECH BATTERY  <029-06357-0000>
Blade Fuse FUSE-BLADE TRM & SPECIAL 32V 5A <029-03590-0000>

Wiring Diagram

E-Box Basic Wiring Diagram (Solar)

A/C Wiring

A/C Wiring Harness
  1. Brown - Line
  2. Blue - Neutral
  3. Green - Ground

Images

Test Solar & Battery Voltage here.

Test Battery Voltage here if meter leads don't fit.

E-Box Gen4 Configuration

E-Box Gen3 Configuration

E-Box A/C Configuration

This guide should provide you with the necessary steps to troubleshoot and fix power issues in your flashing sign system. If the problem persists, it may be advisable to contact TraffiCalm technical support for further assistance.

Other Power Maintenance Guides

CTL2/CTL3
E-Box
S-Box

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