d&b audiotechnik D40 - Page 69

Service/Maintenance and care
ID Display text Eventlog text Description Location Possible reasons
83-87 Supply fault Channel '%c' supply
fault XXXX (err %04X,
%5dmV)
Aux. supply voltage
out of range
SMPA Hardware defect
88 Overcurrent Channel '%c' output
overcurrent (CL
counter %3.1ukCnt,
power %uW, temp.
%d°C)
Overcurrent,
Overvoltage on
output
SMPA Short curcuit on
output
89 DC on output Channel '%c' DC
error
DC on output SMPA Hardware defect
90 HF on output Channel '%c' HF error HF on output SMPA Software error
91 Ext. amp. error Channel '%c' ext.
amp. reported an
error (ext. err %04X,
err %04X)
Ext. Amp. controller in
protection
SMPA
92 Ext. amp. no comm. Channel '%c' ext.
amp. no
communication (ext.
err %04X, err %04X)
Ext. amp. no comm.
SMPA
93 Sudden overtemp. Channel '%c' sudden
temporary
overtemperature (i-
peak %3.1dA)
Sudden temporary
overtemperature on
channel
SMPA Current peak on
output
94 Overtemperature %d
°C
Channel '%c'
overtemperature %d
°C (power %uW)
Channel mute due to
overtemperature
SMPA Insufficient cooling
95 Clock fault Channel '%c' clock
fault (%3.1ukHz,
power %uW)
Clock fault SMPA SMPA defect
96 Supply fault Channel '%c' supply
fault 220V (err
%04X, %5dmV)
Supply fault SMPA Hardware defect,
short on output,
SMPA, SMPS defect
97 Rail loss mute Channel '%c' muted
due to rail loss (err
%04X, %3.1dV)
Rail unexpectedly low SMPA Mains voltage loss
98 Mains loss mute Channel '%c' muted
due to mains loss (err
%04X, avg. %3dV)
Mains unexpectedly
not OK
SMPA Mains voltage loss
99 Temp. warning %d°C Channel '%c'
temperature warning
%d°C (power %uW)
High channel
temperature warning
SMPA Insufficient cooling
100 SMPS temp. warning
%d°C
SMPS temperature
warning %3d°C
(power %uW)
High SMPS
temperature warning
SMPS Insufficient cooling
124 OCA remote error OCA remote error
%u
OCA remote error
150 Speaker imp. fault Load Monitoring
impedance error
Speaker defect, cable
160 Input fallback Input fallback (A1=
%d, A2=%d, D1=%d,
D2=%d)
Input Fallback Input Fallback was
activated
d&b D40 Reference manual 1.5 en 69