31
Error Codes
In the event of a problem, the power status indicator (2) will flash error code(s) in red.
Errors are identified by a sequence flashes. There is a pause between codes, and in the
case where there is only one error code, the same code is repeated.
(SECTION SIX: Troubleshooting continued)
Diagnostic Code
Possible Condition
Course of Action
1 flash
Internal power supply rail fault Breaker Switch will
automatically shut off.
Contact your Dealer /
Distributor or the Krell
Factory
.
2 flashes
Excessive DC at Output
Breaker Switch will
automatically shut off.
Contact your Dealer /
Distributor or the Krell
Factory
.
3 flashes
Excessive Output Current
Check loudspeaker and
cables for short circuits. If
you are driving more than
one loudspeaker per
channel, check that
thecombined load does not
drop below 2 Ohms. The
power breaker switch must
be shut off to reset the fault
condition.
4 flashes
Excessive temperature
Allow the amplifier to cool,
and increase ventilation. If
the problem persists,
please contact your Dealer
/ Distributor.
5 flashes
Excessive DC at input
Check the preamplifier
output and source outputs
for excessive DC voltage.
If you are using a vacuum
tube preamplifier, use only
the single-ended inputs, as
they are capacitor coupled.
6 flashes
Line frequency error
Contact your Dealer /
Distributor or the Krell
Factory
.
