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Replacing Lamps
When a lamp must be replaced, use the Air Gap Isolation feature for safety. This
feature is only available at the dimmer, which can be identifi ed by its status LED.
(The MCD68 Multilocation Controllers do not have an LED and can not operate
this feature.)
To activate the feature from the dimmer:
Press
FIRMLY, so that the paddle clicks and latches in. Make sure the status
LED is extinguished, indicating that it’s safe to relamp.
To release and return to normal operation, press
.
Power Fail Memory
After a power failure, all Miro devices automatically return to the state that they
were in immediately prior to loss of power.
CLEANING
Clean only using a cloth dampened with water and a little mild detergent.
Use of solvents or hydrocarbon-based cleaners may cause permanent damage
TROUBLESHOOTING
With one or more MCD68 multilocation controllers in the circuit, the dimmer
works, but the multilocation controllers don’t function.
LINE and LOAD connections might be reversed. Check to make sure the
connections are correctly terminated at the dimmer.
The MCD68 Multilocation Controllers require a ground connection. Check to
make sure the ground wires are securely connected.
The light level changes without pressing any switches, or the dimmer does not
respond when I press its switch.
There may be a problem with the traveler wire. Remove power from the
circuit. Disconnect all traveler wires from the dimmer’s Remote terminals.
Restore power. If the dimmer now operates the load properly, the problem
is with the traveler wire. It may be too long or may be shorted to another
conductor.
The Dimmer does not work and the status LED is fl ashing red
• at 1Hz (5 times in 5 seconds):
The dimmer has detected an unsuitable load or a load below 25 watts.
To clear the fault condition, tap
and wait for the LED to turn green.
Disconnect power, check the load, restore power and try again.