Fronius CL - Page 96

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531
Over-temperature fan controller
Cause: Faulty cable connection to fan
Remedy: Check cable connection to fan
Cause: Door fans will not function until the next DC reset
Remedy: Carry out DC reset
Cause: Measurement circuit on Snowball defective
Remedy: Replace Snowball
Cause: Possible fan damage
Remedy: Replace fan
532
Supply air temperature sensor defective
Cause: Temperature sensor not connected
Remedy: Check plug connection
Cause: Temperature sensor defective
Remedy: Replace temperature sensor
Cause: Measurement error in Snowball PC board
Remedy: Replace Snowball
533
Fan controller temperature sensor defective
Cause: Snowball PC board displays defective temperature sensor, fans remain
switched off for safety reasons until the next DC reset
Remedy: Replace Snowball
534
Fan voltage exceeded limits during self test
Fans will not function until the next DC reset
Door fans will resume operation after the DC reset is carried out
Cause: Cable connection to fan faulty
Remedy: Check cable connection
Cause: Possible fan damage
Remedy: Check STATE FAN menu