Operating Instructions

Chapter 5 - Fault Tracing
Fault Codes
176 | 187
Siemens Industry, Inc.
Siemens BT300 HVAC Drive
DPD01809
Smart Infrastructure
2019-05-29
Fault
Code
Fault
ID
Fault Name
Possible Cause
Remedy
32
312
Fan cooling
Fan life time is up.
Change fan and reset fan life time counter.
33
Fire mode enabled
Fire mode of the drive is enabled. The drive's
protections are not in use.
37
360
Device changed
(same type)
Option board changed for one previously
inserted in the same slot. The board’s parameter
settings are saved.
Device is ready for use. Old
parameter settings will be used.
38
370
Device changed
(same type)
Option board added. The option board was
previously inserted in the same slot. The board’s
parameter settings are saved.
Device is ready for use. Old
parameter settings will be used.
39
380
Device removed
Option board removed from slot.
Device no longer available.
40
390
Device unknown
Unknown device connected (power unit/option
board).
Device no longer available.
41
400
IGBT temperature
IGBT temperature (unit temperature + I
2
T) is too
high.
Check loading.
Check motor size.
Make identification run.
43
420
Encoder fault
Encoder 1 channel A is missing.
Check encoder connections.
Check encoder and encoder cable.
Check encoder board.
Check encoder frequency in open loop.
421
Encoder 1 channel B is missing.
422
Both encoder 1 channels are missing.
423
Encoder reversed.
424
Encoder board missing
44
430
Device changed
(different type)
Option board changed for one not present in the
same slot before. No parameter settings are
saved.
Reset the option board parameters.
45
440
Device changed
(different type)
Option board added. The option board was not
previously present in the same slot. No
parameter settings are saved.
Reset the option board parameters.
50
1050
AI Low Fault
One or more of the available analog input signals
is below 50% of the minimum signal range.
A control cable is defective or loose.
There is a malfunction in the signal source.
Verify I/O A Ctrl Ref (P3.3.3) for proper
selection of analog input.
Verify the AI1 Signal Range (P3.5.2.3) or AI2
Signal Range (P3.5.2.9). Replace the
defective parts.
Verify the analog input signal.
Verify the analog input signal ranges are
properly programmed.
51
1051
External fault
Digital input.
52
1052
1352
Keypad
communication fault
The connection between the control
keypad and variable frequency drive is broken.
Check keypad connection and possible
keypad cable
53
1053
Fieldbus
communication fault
The data connection between the fieldbus
master and fieldbus board is broken.
Check installation and fieldbus
master.
54
1354
Slot A fault
Defective option board or slot.
Check board and slot.
1454
Slot B fault
1554
Slot C fault
1654
Slot D fault
1754
Slot E fault
65
1065
PC
communication fault
The data connection between the computer and
variable frequency drive is broken.