Crestron electronic 277 Volt Manual De Usuario

CRESTRON GREEN LIGHT™ 

Architectural Dimming 

The following table provides corrective action for possible trouble situations. If further assistance is required, please 
contact a Crestron customer service representative.  

Power not delivered to the 
module. 

If the module is powered internally, verify that 
the circuit breaker connected to the first 
channel on the module is on and delivering 
power to the module. 
If module is powered externally, verify that the 
POWER port is correctly wired and receiving 
power. 

Module(s) does not 
function. 

System commissioning not 
complete. 

Arrange for system commissioning. 

Module’s PWR LED is 
flashing. 

AC power not present on L1. 

Check that the branch breaker feeding L1 has 
not tripped. Note that unit will continue to 
function, but will draw power from the backup 
Cresnet power supply. 

Unit cannot be taken out of 
Override mode 

Short (contact closure) exists 
between G and OVR terminals 
on any of the OVERRIDE 
terminals present at bottom of 
the cabinet. 

Determine the reason for the short. Remove or 
remedy the short (e.g. GLS-PLS-120/277 phase-
loss sensor may not have been installed 
properly, or actual phase-loss has been 
detected). 

Mode switch is set to  
NON-DIM. 

Set switch to DIM. 

Load does not dim. 

Module is not wired correctly. 

Verify that module is wired for dimming. 

Fluorescent lamps stay at 
minimum intensity (0-10V 
dimmable fluorescents only).  

+ or - wires are reversed or 
shorted. 

Verify polarity of + and - wires at ballasts and  
GLXP-DIMFLV8. 

Fluorescent lamps stay at 
maximum intensity (0-10V 
dimmable fluorescents only).  

+ or - wires are not connected. 

Verify polarity of + and - wires at ballasts and  
GLXP-DIMFLV8. 

If you cannot locate specific information or have questions after reviewing this guide, please take advantage of 
Crestron's award winning customer service team by calling Crestron at 1-888-CRESTRON [1-888-273-7876]. 

You can also log onto the online help section of the Crestron website (

) to ask 

questions about Crestron products. First-time users will need to establish a user account to fully benefit from all 
available features. 

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