
70410501
61
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Troubleshooting
42. MM Models: No Heat With Cycle Selected, Unit Running and Calling For
Heat
120 Volt/60 Hertz/1 Phase and 208-240 Volt/60 Hertz/1 Phase Gas and Steam Nonreversing
208-240 Volt/60 Hertz/3 Phase and 480 Volt/60 Hertz/3 Phase Steam Reversing and
Nonreversing
MM Models: No Heat with
cycle selected, unit running
and calling for heat
Is there
voltage to COM
terminal of the
micro control?
TMB2169S-a
Correct wiring
between door
switch and
micro control.
Is there
voltage to the
N.O. terminal
of the micro
control?
Replace
micro control.
Yes
No
No
Is there
voltage to the
input of the stove
high limit?
Correct wiring
between stove
high limit and
micro control.
Is there
voltage to the output
of the stove
high limit?
Check for proper
airflow. If airflow is
good, replace stove
high limit.
Is there
voltage to the N.O.
terminal of the
airflow switch?
Correct wiring
between
airflow switch
and stove
high limit.
Is there
voltage at COM
of the airflow
switch?
Check for
proper airflow
and function of
airflow
switch. Replac
e airflow switch
if necessary.
Is there
voltage to the
input of the cabinet
limit?
Correct wiring
to between
cabinet limit
and airflow
switch.
Is there
voltage to the
output of the
cabinet
limit?
Replace
cabinet limit.
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Continued on
next page
Yes
- Gas Models
Yes -
Steam
Models
Содержание ATB50CG
Страница 2: ......