Service/Maintenance and care
ID Display text Eventlog text Description Location Possible reasons
40 Mains undervoltage Mains undervoltage
(avg %3dV, peak
%3dV, err %04X)
Mains voltage too
low for current range
SMPS Refer to:
Þ Chapter 8.1
"Power supply"
on page 31
41 Mains frequency faul Mains frequency fault
(%3d Hz, err %04X)
Mains frequency out
of range
SMPS External
43 SMPS restart error SMPS error: too
many restarts (restart
count %d)
SMPS restart fault SMPS An error prevents
startup or SMPS fault
44 SMPS rail "Eco" erro SMPS rail "Eco" error
(i-peak %3.1dA, rail
%3dV, err %04X)
SMPS rail "Eco" error SMPS Power consumption
too high in "Eco"
45 SMPS rail startup
error
SMPS rail startup
error (i-peak %3.1dA,
rail %3dV, err %04X)
SMPS rail error at
startup
SMPS Power consumption
too high during
startup phase
46 SMPS rail run error SMPS rail run error (i-
peak %3.1dA, rail
%3dV, err %04X)
SMPS rail error SMPS Power Consumption
too high in normal
mode.
47 SMPS controller reset SMPS controller
unexpectedly reset
(reason: %04X)
SMPS controller
unexpectedly reset
SMPS Various
50 Invalid device para Channel '%c': invalid
device parameters
(device ident %d)
Invalid device
parameters
DSP Software error or
wrong device type
detected
51 Invalid DSP prog %u Channel '%c' : invalid
DSP program %d
DSP program invalid DSP Software error
52 DSP boot error Channel '%c': DSP
boot error (DSP
program %d)
DSP boot error DSP DSP or software error
53 DSP systick stall DSP '%c' system ticker
stalled
DSP Systick stalled DSP DSP or software error
58 DSP comm. error Channel '%c': DSP
communication error
DSP comm. error DSP DSP fault or software
error
59 Invalid setup data Channel '%c': invalid
speaker setup
(speaker id %d, no.
%d, err %d)
DSP invalid setup
data
DSP Software error
61 Invalid AP slot %d Channel '%c': invalid
AP slot %d (file
version %d)
Invalid
ArrayProcessing data
Software error
78 Full amp. error. Full amp. error
(SMPA AB %04X,
SMPA CD %04X)
Full amp. error SMPA All channels show an
error
79 Amp. in bootloader Channel '%c' stuck in
bootloader
Amp. in bootloader SMPA Firmware update
failed or flash
corruption, Retry
update
80
Amp. comm. error Channel '%c'
communication error
(error %04X)
Amp. comm. error
No keepalive for 1
sec
SMPA Communication
disturbed or SMPA
fault
82 Temperature error %d
°C
Channel '%c'
temperature error %d
°C (power %uW)
Critical amp. channel
temperature
SMPA Insufficient cooling
d&b 40D Reference manual 1.3 en 37