GVZC20 Service Manual

TROUBLESHOOTING
101
RE-WRITING SHARED DATA TO OUTDOOR UNIT
USING BLUETOOTH® SHARED DATA LOADER
BTSDL01
Check Troubleshooting codes to determine the need to
ash shared data to outdoor unit. Follow the below proce-
dure to ash shared data.
Procedure to ash shared data to Outdoor unit using
Bluetooth® Shared Data Loader BTSDL01
1. Turn the power OFF to the outdoor unit.
2. Disconnect the Climate Talk (CT) connector from the
outdoor unit.
3. Insert the Bluetooth® Shared Data Loader BTSDL01 on
the outdoor unit.
4. Turn the power ON to the outdoor unit.
5. Verify that H1P (red LED) ashes twice. This step con-
rms that the data has been transferred from the Blue-
tooth® Shared Data Loader BTSDL01 to the outdoor
unit.
6. Turn the power OFF to the outdoor unit.
7. Remove the Bluetooth® Shared Data Loader BTSDL01
from the unit.
8. Connect the Climate Talk (CT) connector to the outdoor
unit.
9. Turn the power ON to the outdoor unit.
10. Continue the operation of the unit as desired.
NOTE:
1. If there is an error E11 on the 7-segment display of the
Outdoor unit after step 11, run the System Verication
Test on the Outdoor unit using the thermostat menu.
· AC - Menu → Air Conditioner → Equip Test → System
Verication Test → ON
· HP - Menu → Heat Pump → Equip Test → System
Verication Test → ON
2. The control boards for di󰀨erent 20 SEER OD units (2T,
3T, 4T, 5T) are di󰀨erent. Below are the names of the
connectors for quick identication.
· Bluetooth® Shared Data Loader BTSDL01 connector
- X52A (white - 12 pin connector)
· Climate Talk connector - X851A (green - 9 pin connec-
tor)
· Red LED - H1P
IDENTIFICATION OF CONNECTORS ON 20 SEER OD CONTROL BOARD
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