ABB TZID - Page 66

66 Electro-pneumatic positioner TZID 42/18-54 EN
E43 Limits of stroke counter or travel
meter for diagnosis exceeded
None Diagnose according to the
diagnostic plan.
E77/80 Total EEPROM data loss Output depressurized or blocked,
depending on setting for the model
Load the factory setting *) or tag- specific settings.
E78/81/82 EEPROM defective, data can only
be read
Saving data in the non-volatile memory is no longer possible.
Replace the device.
E79 EEPROM defective Output depressurized or blocked,
depending on setting for the model
Replace the device.
E92 Short-time interruption of input
signal > 20 ms
Output depressurized or blocked, depending on setting for the model
Check the input signal.
E93 Watchdog, internal self-monitoring Output depressurized or blocked,
depending on setting for the model
Press the Reset button, check the environment for electromagnetic interference.
Error code Reason Effect Required user action