Alliance Laundry Systems HWTT20*N - Microwand Does Not Communicate with Control

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Troubleshooting (NetMaster Models)
50. Microwand Does Not Communicate With Control
Microwand Does Not Communicate With Control.
Attempt to communicate with the
electronic control from the Microwand.
Is there
acknowledgement of
any kind from the
control?
Aim the
Microwand closer
and try again.
No
Yes
Does the Microwand
prompt: Control
Mismatch error
Is there any control
response?
Yes
Check the following:
- Microwand battery voltage
- Blockage of IR window on control
- Attachment of IR cup to
Microwand.
No
Make sure
Microwand
selection was for
the proper
machine type and
control generation
type.
Yes
No
Does the electronic
control display "E:OF"
or "-C-"?
-C-
Communication
sequence checks
out properly.
Change electronic
control and repeat
procedure.
Has IR communication
been turned off?
E:OF
No
Yes
Turn IR
communication on
(refer to
programming
manual).
TLW278S