Vacon 100 hvac Applications Manual page 176

VACON · 176
Table 61: Fault codes
Fault Fault ID
code
30 520
521
522
523
524
525
526
527
530
32 312
33
10
Fault name Possible cause
Safety diagnostics The STO inputs have a dif-
ferent status.
Safety diagnostics A malfunction in the ATEX
thermistor diagnostic. There
is no connection in the ATEX
thermistor input.
Safety diagnostics A short-circuit in the con-
nection of the ATEX ther-
mistor input.
Safety diagnostics A problem occured in the
internal safety circuit.
Safety diagnostics An overvoltage in the safety
option board
Safety diagnostics An undervoltage in the
safety option board
Safety diagnostics An internal malfunction in
the safety option board CPU
or in the memory handling
Safety diagnostics An internal malfunction in
the safety function
Safe torque off An emergency stop was
connected or some other
STO operation was activa-
ted.
Fan cooling The fan life time is com-
plete.
Fire mode enabled The Fire mode of the drive is
enabled. The protections of
the drive are not used.
FAULT TRACING
How to correct the fault
Do a check of the external safety
switch. Do a check of the input
connection and cable of the safety
switch. Reset the drive and restart.
If the fault occurs again, ask
instructions from your nearest dis-
tributor.
Reset the drive and restart. If the
fault occurs again, change the
option board.
Do a check of the ATEX thermistor
input connection. Do a check of the
external ATEX connection. Do a
check of the external ATEX ther-
mistor.
Reset the drive and restart. If the
fault occurs again, ask instructions
from your nearest distributor.
Reset the drive and restart. If the
fault occurs again, ask instructions
from your nearest distributor.
Reset the drive and restart. If the
fault occurs again, ask instructions
from your nearest distributor.
Reset the drive and restart. If the
fault occurs again, ask instructions
from your nearest distributor.
Reset the drive and restart. If the
fault occurs again, ask instructions
from your nearest distributor.
When the STO function is activated,
the drive is in safe state.
Replace the fan and reset the life
time counter of the fan.
TEL. +358 (0)201 2121 · FAX +358 (0)201 212 205