Manual

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emc-3 Controller Module
User Guide – Rev A
Indicators
Status LED
The Status LED will Flash Red to indicate trouble codes. Module behavior varies
according to the error detected. The following table lists the trouble codes for the
emc-3 and their associated behavior;
1. DG Input Active Indication Only (Load absorbed by the system)
2. Over Temp Active Indication Only (Fans at Max Already)
3. CAN Bus Error Affected Fan Bank(s) Max Speed until clear
4. Fire Input Active All Fans Hard Stop ( Bank_n_Off_DYCY)
5. Rev Mode Active Indication only
6. Ignition Input Error Indication only
7. Auto dB Test Active Indication only
8. Manual Mode Active Indication only
9. Thermistor Input Error Indication only
NOTE: Any trouble detected will also cause the Check Fan System to turn “On”,
normal operation such as a reverse cycle will not.
Module Status, CAN Status and % Output indicators are defined as follows;
CAN Status
LED STATE MEANING
Off or Flashing GREEN Normal Indications
Module Status
LED STATE MEANING
Off There is no power applied to the module.
On GREEN The module is operating in a normal condition.
Flashing GREEN Device is in standby state. May need servicing.
On RED Module has an unrecoverable fault.
On YELLOW System Disabled active
Flashing RED Low Supply Voltage.