ALLIANCE SCL020WT - Page 69

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Test Hot and Cold
Fill through
Compartment 4 during
UrN C4 fill test step.
(C, E, H)
Is there 24VDC
between H9-1 and
H9-6 (Hot) and/or
H9-2 and H9-6 (Cold)
on AP1 and between
H9-5 and H9-7?
(C1, E1, H1)
Ensure plugs are
attached to the
valves and re-check
voltages at the
valves. Is voltage
present at the valves?
Yes
Replace AP1.
No
Check wiring between
valve and AP1.
No
Replace mixing valve.
Yes
Troubleshooting
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69 Part No. F8677701EN