Lab.gruppen D SERIE Kurzanleitung Seite 32

14. Faults and warnings
Category/Type
Fault
Fault
Fault
Fault
Fault
LOAD
Warning
Warning
Warning
Fault
Fault
AMP
Temp warning amplifier channel
Warning
Fault
Fault
SIGNAL
Clip
Clip
Fault
Clip
32
D SERIES Tesira Quick Start Guide rev 2.0.0
Name On screen text
Mains voltage above
270 V
Mains voltage below
65 V
Power supply fault
Check mains
Power supply power protect PSU POWER PROT
Under speaker count UNDER SPKR CNT
Speaker short
Speaker damaged SPKR DAMAGED
No load
Short circuit SHORT CIRCUIT
Temp Fault amplifier channel
Service channel
Current average limiter
Current clip
Very high frequency fault
Voltage clip
Description
Power supply detects mains voltage
MAINS > 270 V above operation voltage. Protective shut
down, auto restart attempt
Power supply detects mains voltage
MAINS < 65 V below operation voltage. Protective shut
down, auto restart attempt
PSU FAULT Internal power supply fault
Power supply detects unstable mains
CHECK MAINS supply. Protective shut down,
auto restart attempt
Too high output power for too low mains
supply voltage. Protective shut down,
auto restart attempt.
Both LoadPilot tones above thresholds
SPKR SHORT Both LoadPilot tones below thresholds
One LoadPilot tone is above or
below threshold
At least one LoadPilot tone above
NO LOAD measurable area of significantly
above thresholds
LoadPilot or full frequency analysis
below short threshold or
hardware short protection
Amplifier channel is
TEMP WARN
approaching critical
Amplifier channel has reached critical
TEMP FAULT temperature and has shut off for
protective reasons
SERVICE CH. Amplifier channel is damaged
Average current on amplifier above
CAL ACTIVE
safe operating level
Amplifier channel reached
CURRENT CLIP
VHF FAULT Amplifier channel protection
VOLTAGE CLIP Amplifier reached voltage limit
Check mains distribution/
connection
Check mains distribution/
connection
Check mains distribution/
connection.Restart device;
if not cleared it needs
Check mains distribution/
connection
Improve mains supply
voltage or reduce output
Check load or calibration
Check load or calibration
Check load or calibration
Check load or calibration
Check load or calibration
Improve cooling or reduce
output power to avoid
temperature becoming
Automatically unmutes
when cooled down
Restart device; if not
cleared needs servicing
Reduce output current
to avoid limiting
Reduce output power
current limit to avoid limiting
Check input signal
Reduce output power
to avoid limiting
Action
servicing
power
critical