Alliance Laundry Systems HWTT20*N - No Visible Display on Control

96 39201
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Troubleshooting (NetMaster Models)
51. No Visible Display on Control
No Visible Display on Control
Is there voltage at
the primary side of
the transformer?
Check wiring to
transformer.
Check supply
voltage to unit.
Is there 24 volts at
the secondary side
of the transformer?
Replace
transformer.
Is there 24 volts AC
across terminals
"H1-1" & "H1-3" on the
control board?
Check wiring
between control
and transformer.
Replace control.
No
Yes
No
No
Yes
Yes
(1)
(2)
(3)
Note: Assuming
the unit is
plugged into a
live outlet
TLW279S