WEG CFW11W G2 Series User Manual page 90

Fault/Alarm
A327:
High Temperature IGBT U B4
F328:
Overtemperature
IGBT U B4
A330:
High Temperature
IGBT V B4
F331:
Overtemperature
IGBT V B4
A333:
High Temperature
IGBT W B4
F334:
Overtemperature
IGBT W B4
A336:
High Temperature
IGBT U B5
F337:
Overtemperature
IGBT U B5
A339:
High Temperature
IGBT V B5
F340:
Overtemperature
IGBT V B5
A342:
High Temperature
IGBT W B5
F343:
Overtemperature IGBT
W B5
Description
Alarm of high temperature measured on the
temperature sensor (NTC) of IGBT of phase U
of book 4. Measured temperature above 110 ºC
(230 °F).
Fault of overtemperature measured on the
temperature sensor (NTC) of the IGBT of phase U
of book 4. Measured temperature above 115 ºC
(239 °F).
Alarm of high temperature measured on the
temperature sensor (NTC) of IGBT of phase V
of book 4. Measured temperature above 110 ºC
(230 °F).
Fault of overtemperature measured on the
temperature sensor (NTC) of IGBT of phase V
of book 4. Measured temperature above 115 ºC
(239 °F).
Alarm of high temperature measured on the
temperature sensor (NTC) of IGBT of phase W
of book 4. Measured temperature above 110 ºC
(230 °F).
Fault of overtemperature measured on the
temperature sensor (NTC) of IGBT of phase W
of book 4. Measured temperature above 115 ºC
(239 °F).
Alarm of high temperature measured on the
temperature sensor (NTC) of IGBT of phase U
of book 5. Measured temperature above 110 ºC
(230 °F).
Fault of overtemperature measured on the
temperature sensor (NTC) of the IGBT of phase U
of book 5. Measured temperature above 115 ºC
(239 °F).
Alarm of high temperature measured on the
temperature sensor (NTC) of IGBT of phase V
of book 5. Measured temperature above 110 ºC
(230 °F).
Fault of overtemperature measured on the
temperature sensor (NTC) of IGBT of phase V
of book 5. Measured temperature above 115 ºC
(239 °F).
Alarm of high temperature measured on the
temperature sensor (NTC) of IGBT of phase W
of book 5. Measured temperature above 110 ºC
(230 °F).
Fault of overtemperature measured on the
temperature sensor (NTC) of IGBT of phase W
of book 5. Measured temperature above 115 ºC
(239 °F).
Troubleshooting and Maintenance
Possible Causes
High coolant temperature (> 45 °C (113 °F) see
„
Item 3.1.6 Cooling System on page
high output current.
Coolant flow < 20l/min or clogged tubing.
„
UP11W heatsink or system heat exchanger rust
„
inside due to coolant out of the specifications (see
Item 3.1.3 Lifting on page
Fault in the pumps.
„
3-9) and
6
3-2).
CFW-11W G2 | 6-7