OPERATING AND INSTALLATION INSTRUCTIONS LG 250 A
PAGE 20
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“TOUCH” CONTROL UNIT
8. Fault & notice messages
Error signal
Reason for error
Supply air fan out of service
The error LED flashes once, followed by a long pause
Exhaust air fan out of service
The error LED flashes briefly twice in succession, followed by a long pause
Temperature sensor error
The error LED flashes briefly three times in succession, followed by a long pause
General fault
The error LED flashes briefly four times in succession, followed by a long pause
Communication between power section and control unit interrupted
The error LED flashes briefly five times in succession, followed by a long pause
The ventilation unit's fault status is indi-
cated on the operating unit by the flashing
pattern of the fault LED.
Please contact your installer.
“MINI” CONTROL UNIT
*See pages 19 for detailed descriptions
Please contact your installer.