Fronius CL 44.4 Delta Serviceanleitung Seite 98

537
High speed differences detected between the door fans
Bearing failure of a fan or fan blocked, door fans will not function until the next DC reset
Check the setup menu STATE FAN to determine which fans are affected
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
540
Fan controller overcurrent detected
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
541
Communications error with fan controller
Cause:
Remedy:
542
Watchdog reset caused by fan controller
Cause:
Remedy:
96
Fan blocked
Make sure fan is free of any obstructions
Fan not connected
Check plug connection
Ambient temperature too high
Increase supply air intake
Fan defective
Replace fan
Measurement error in Snowball PC board
Replace Snowball
Fan blocked
Make sure fan is free of any obstructions
Fan not connected
Check plug connection
Ambient temperature too high
Increase supply air intake
Fan defective
Replace fan
Measurement error in Snowball PC board
Replace Snowball
Communication error in the fan controller - Check if the red LED on the Snow-
ball is on
if LED lights up red -> replace fan controller
One-time occurrence
Remedied automatically