95
EN
406 Faulty temperature sensor
in DC semiconductor mod-
ule
1. Faulty temperature sensor in
semiconductor module
1. Replace DC PC board
2. Faulty power stage set cir-
cuit
2. Replace DC PC board
407 Faulty temperature sensor
on power stage set
1. Faulty temperature sensor
on power stage set
1. Replace AC PC board
2. Faulty power stage set cir-
cuit
2. Replace AC PC board
408 Unacceptably high DC
braking detected on the in-
verter
1. Asynchronous AC grid 1. Check AC grid
2. Faulty power stage set 2. Replace AC PC board
412 Set fixed voltage is outside
the permitted MPP range
1. Fixed voltage has been set
too high or too low
1. Check adjustments in Ser-
vice menu
415 Enable signal: option cards
activated
1. Option card does not output
an enable signal for feeding
energy into the grid
1. Automatic correction, option
card has stopped the inverter
416 - 425 No communication possible
between power stage set
and Recerbo
1. Occurs once - PSP commu-
nication fault
1. Automatic correction
2. Unknown option card block-
ing the inverter
2. Software update
3. Check ribbon cable between
filter PC board and power
stage set
3. Replace ribbon cable
4. Faulty Recerbo 4. Replace Recerbo
5. Faulty filter PC board 5. Replace filter PC board
6. Faulty power stage set 6. Replace AC PC board
426 Intermediate circuit charg-
ing takes too long
1. DC voltage too weak 1. Restart inverter or check wir-
ing
2. DC choke does not contact
cleanly
2. Check DC choke wiring
3. Faulty DC booster 3. Replace DC PC board; re-
place AC PC board if neces-
sary
427 Power stage set not ready
for too long (timeout)
1. Software fault 1. Software update
2. Measurement fault on power
stage set
2. Replace AC PC board
431 Power stage set is in boot
mode
1. Power stage set is being au-
tomatically programmed
1. Automatic correction
2. Power stage set cannot be
automatically programmed
2. Software update
3. Faulty filter PC board 3. Replace filter PC board
4. Faulty Recerbo 4. Replace Recerbo
5. Faulty power stage set 5. Replace AC PC board
432 Permanent fault in power
stage set management
1. Power stage set could not
communicate with Recerbo
1. Restart inverter or perform
software update
2. Faulty power stage set 2. Replace AC PC board
3. Faulty Recerbo 3. Replace Recerbo
Code Description Behaviour Remedy