Amana AVZC20 Series - TROUBLESHOOTING; RE-WRITING SHARED DATA PROCEDURE

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TROUBLESHOOTING
OUTDOOR UNIT ERROR CODES
RE-WRITING SHARED DATA TO OUTDOOR UNIT USING
MEMORY CARD
Check Troubleshooting codes to determine the need to flash shared
data to outdoor unit. Follow the below procedure to flash shared
data.
P
ROCEDURE TO FLASH SHARED DATA TO OUTDOOR UNIT USING
MEMORY CARD
1. Turn the power OFF to the outdoor unit.
2. Disconnect the Climate Talk (CT) connector from the outdoor
unit.
3. Insert the memory card on the outdoor unit.
4. Turn the power ON to the outdoor unit.
5. Verify that H1P (red LED) flashes twice. This step confirms
that the data has been transferred from the memory card to
the outdoor unit.
6. Turn the power OFF to the outdoor unit.
7. Remove the memory card 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 VERIFICATION
TEST on the Outdoor unit using the thermostat menu.
· AC - Menu


 Air Conditioner


 Equip Test


 System
Verification Test


 ON
· HP - Menu


 Heat Pump


 Equip Test


 System
Verification Test


 ON
2. The control boards for different 20 SEER OD units (2T, 3T,
4T, 5T) are different. Below are the names of the connectors
for quick identification.
· Memory Chip connector - X52A (white - 12 pin connector)
· Climate Talk connector - X851A (green - 9 pin connector)
· Red LED - H1P
Climate Talk
Connector
(X851A)
Identification of connectors on 20 SEER OD Control Board