2)Defective preamp
module
2) Replace module with
one known to operate
properly
Distorted sound coming
from both channels
1) Overdrive control
levels set too high
1) Reduce control level
settings
2) Speaker output wires
to amplifier shorted
2) Replace speaker cord
3) Pickup, instrument, or
connecting cable may be
defective
3) Substitute cable and
instrument with one you
know operates properly
4) Defective speaker(s)
4) Verify speakers
operate properly by
connecting speaker plug
to speaker outlet jack on
another amp. If speaker
is defective return unit to
dealer or factory for
repair.
No reverb coming from
amplifier
1) Reverb control level
set too low
1) Increase control level
2) Reverb output wires
not connected to reverb
tank
2) Ensure output wires
properly connected to
reverb tank
No reverb sound
3) Defective internal
spring reve rb unit
3) Replace reverb spring
4) Defective reverb Send
or Return circuits
4) Return to dealer or
factory
5) Springs are stuck
5) Tap the reverb tank
with your hand.
Channel selector
Footswitch does not
change channels
1) Channel selector on
amplifier set to channel 1
position
1) Use channel mounted
channel selector to set
the amp in channel 2
(indicated by the green
LED)
2) Defective footswitch
2) Substitute footswitch
with one known to
operate properly
3) Defective internal
channel switching in amp
3) Return amp to dealer
or factory for repair
Feedback, ringing
1) Master Volume and/or
Over drive controls set
too high
1) Lower levels
2) Micro phonic pickups
2) Wax pot pickups
3) Micro phonic tube
sound
3) Replace tube in
module