PR 4131 - Auto Diagnosis

22 4131V104-UK
Auto diagnosis
The device performs an advanced auto diagnosis of the internal circuits.
The following possible errors can by displayed in the front unit 4501.
CJ.ER - CJC sensor defect or CJC temperature outside range
FL.ER - Flash error
NO.CO - Connection error
IN.ER - Error levels on input
TY.ER - Configuration in 4501 does not match this product type