RM4 Control Interface (Optional ) (cont’d)
DANGER 
HAZARDOUS VOLTAGE
(Can Cause Severe Injury or Death)
Turn OFF all power before installation, adjustment, or removal of transfer switch or any of its components.
Automatic Transfer Generator Testing (One Time Test)
Verify that the transfer switch UTILITY available and position LEDs are illuminated. A + B
Press and hold the GENERATOR START/STOP button F and the TRANSFER button I for 5 seconds. This will
cause the generator to start. Once the generator has
C
started, the Generator LED will illuminate.
Once the GENERATOR power LED C has come on, the transfer switch will now switch the load to the Generator. The GENERATOR position LED will illuminate. D
The transfer switch will be connected to the generator for 5 minutes.* Then the switch will automatically return to the utility and the UTILITY Position LED will illuminate. B
The generator will cool down for 5 minutes (U Timer) and then shut down. The GENERATOR LED will go off. C
This completes the automatic test.
*Pressing and releasing the generator Start/Stop button will cancel current test.
Transfer Generator Testing (Forcing Operation with Keypad)
Verify that the transfer switch UTILITY available and posi- tion LEDs are illuminated. A + B
Press and hold the GENERATOR START/STOP button for 5 seconds. This will start the generator. F
Verify that the GENERATOR available LED has illuminated. C
Press the TRANSFER button. I | The switch will transfer |
to the Generator source position. The GENERATOR | |
position LED will now be illuminated. D | |
Pressing the TRANSFER button | I again will cause the |
unit to transfer to the utility power source. The UTILITY position LED will illuminate. B
Pressing the GENERATOR START/STOP button will stop the generator. F
NOTE: Transfer will cause short interruption of power.
LED Diagnostic Flash Codes
Rapidly Flashing Generator Availability LED C
Generator failed to start.
Generator starts but failed to reach proper operating parameters.
Generator became over loaded for an extended period of time.
Optional generator crank board (see generator fault flash table on page 14)
Rapidly Flashing Generator D Position LED
Switch did not transfer to Generator position.
Rapidly Flashing Utility B Position LED
Switch did not transfer to Utility position.
NOTE: All fault alarms can be cleared by depressing the reset button.
■ 8 | ZTX Operation and Maintenance Manual | GE Zenith Controls ■ |
