Operation
95
5.12 Log Menu (continued)
Menu
Description
Min
Max
Default Unit Reg. Type
PNU -
Log
Trip Log
Trip Code Descriptions
201
Max. Temp. Exceeded
Internal heatsink temperature
has exceeded 90°C.
It is possible the Unit is
operating outside specified
limits.
Check enclosure ventilation
and airflow around the Unit. If
the unit trips immediately the
internal temperature sensor
could be faulty.
Read Only
PNU -
Log
Trip Log
Trip Code Descriptions
208
Thermal Sensor Trip
Thermal sensor Failure.
The internal temperature
sensor has failed.
Contact the supplier.
Read Only
PNU -
Log
Trip Log
Trip Code Descriptions
301-308
Thyristor Firing Trip
One or more of the internal
control thyristors (SCRs) have
failed to turn on properly. (In-
Line "Firing Mode").
The Unit has detected that the
SCRs are not operating as
expected.
Check all incoming and
outgoing connections.
Read Only
PNU -
Log
Trip Log
Trip Code Descriptions
350-358
Thyristor Firing Trip
One or more of the internal
control thyristors (SCRs) have
failed to turn on properly.
(Delta "Firing Mode").
The Unit has detected that the
SCRs are not operating as
expected.
Check all incoming and
outgoing connections.
Read Only