Lutron Electronics Grafik Eye GRX-4000 Series - Troubleshooting Guide Page; Troubleshooting Guide

24
Troubleshooting Guide
Troubleshooting Guide
Symptom
Normal
Operation as
Reference
All switches
controlled by
1st zone
No control-
Level Frozen
Any accessory
control or
main unit not
responding to
button pushes
Switching occurs
at the wrong
intensity
Switch stays ON
at all intensities
Switching
Module
“Heartbeat”
(~1 per sec)
“Heartbeat”
(~1 per sec)
“Light House”
(~1 per 7 sec)
“Light House”
(~1 per 7 sec)
Out
“Heartbeat”
(~1 per sec)
“Heartbeat”
(~1 per sec)
‘Power OK’
LED
On
On
On
On
Off
On
On
Off
Off
On
On
On
‘Data OK’
LED
Blinking
Blinking
Blinking
Off
Off
Off
Off
Off
Off
Blinking
Blinking
Blinking
Circuit #
Display
OK
Out
OK
OK
OK
Out
OK
OK
OK
Out
OK
OK
OK
GRX LEDs
OK
OK
OK
OK
OK
Off
Off
OK
Off
Off
OK
OK
OK
Possible Cause/Solutions
• All LEDs show OK, see below for
other suggestions
• Push any button on Circuit Selector
(display turns off in 20 minutes)
• Circuit Selector not Set Up - see
instructions for zone assigning in
Step 13.
• 2 wire link on Control Harness
disconnected at the bottom of the
Circuit Selector
• Invalid Load Type chosen - see step 9
• GRX 4000 control units not addressed
- see instructions in step 10
• Wiring of Terminals 3 and 4 flipped
• GRX connector unplugged at control
unit
• Circuit Selector's Class 2 Transformer
open
• Miswire to control link wires 1,2,3,
and 4
• Miswire to control link wires 3 and 4
• Miswire shorting 24VFW (Terminal 2)
to Common (Terminal 1) or ground
• Control Feed Breaker Off
• Module Class 2 Transformer open
• Circuit Selector not Set Up for proper
Load Type - see Step 9 and/or Step 15
• Relay tack weld - check that load
current is less than 16 Amps. Cycle
relay 10 times from the Circuit
Selector-see next page. If relay
continues to not respond, contact
Lutron for possible replacement.
Circuit Selector
Link Status
Power OK
Data OK
Reference Sheet
Reference Sheets for GRAFIK Eye Switching Panel
LED