TAM86
Airflow Control (AFC)
Unit Test Button
Fault Reporting
Control boards in this unit store active and historical
faults. Each control board will report active faults
continuously and will report the last four faults
stored after a power cycle of the unit. See Fault
Table section for list of fault codes
The active and historical faults can also be accessed
through the Alert Menu in the Display Assembly.
Clearing Fault History
Option 1:
a) Scroll to the Alert Menu in the Display Assembly
b) Scroll to the Alert History section.
c) Scroll to the Clear History selection and push the
Enter key. At the “Are You Sure” question, push the
Enter again.
Option 2:
a) Press and hold the Unit Test Button for 10-12 sec-
onds.
b) Release the Unit Test button and “wait” 5 seconds.
c) Cycle 230VAC power to the unit. (the blower panel
can be removed to achieve this)
Refrigerant Switch SW1
• Set the system refrigerant to either R-410A or R-22
using the Refrigerant Switch located on the Expan-
sion Valve Control board (EVC) in the Control Pocket.
• Factory default is R-410A.
• Note: The power must be shut off and then re-applied
in order for the EVC to recognize the change.
SW1 Dip
Switch
Electronic Expansion Valve Control (EVC)
Control Layout - Refrigerant Dip Switch
TEST
J11
J6
24 VAC
J4
13.8 VDC
CLEAR HISTORY? ↕
YES
<ENTER>
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