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11
INSTRUCTION GUIDE: COLOR TOUCHSCREEN COMMUNICATING THERMOSTAT
IG1601EW 06/16
*IG1601EW*
997-012330-14-R
Communicating/Troubleshooting cont.
Are all
applicable
devices present
on Configure
Aurora System
screen
No
Remove what is
not needed or add
what is needed. Is
the thermostat
communicating?
Yes
Is the thermostat
wired correctly
from the
thermostat sub-
base to the green
plug at P7?
No
Re-wire
thermostat per
the schematic
Yes
Wire thermostat
directly to the
ABC board
bypassing the
installed
thermostat wire.
Does the system
communicate?
No
Will the unit run
with the AID tool
in Manual
Override and the
TST removed from
the Configure
Aurora System
screen
No
Yes
Yes
Replace the ABC
board
Replace the
thermostat
DX +
R
C
DX -
1
2
3
4
C
R
-
+
Can you send a
picture of the ABC P7
connector and
thermostat wiring
connections?
Review and confirm the
thermostat is wired correctly
Check the continuity of
the thermostat wires by
removing wires from the
green plug at ABC P7,
and wire tying wires 1
and 2 together and 3
and 4 together. Then at
the back plate ohm R
and C, then DX+/A+ and
DX-/B-, is there
continuity?
No
Replace
thermostat wire
Yes
2 options
1. Shield existing wire from
the electrical noise
2. Run shielded cable
No
Yes
Issue resolved
Yes
No
A +
R
C
B -
W
1
2
3
4
C
R
-
+
W
P1 on ABC Board
TPCM32U03A*/TPCM32U04A*
TPCC32U01
Green Plug
Thermostat
P7 on ABC Board
Green Plug
Thermostat
P7 on ABC Board
*