American Standard Central AC Error Codes
Complete list of American Standard central ac error codes with causes and how to fix them.
172
🔴
American Standard Central Air Conditioner error code 172: Ignition lockout.
Technician Required
173
🔴
American Standard Central Air Conditioner error code 173: Rollout switch …
Technician Required
174
🔴
American Standard Central Air Conditioner error code 174: Low pressure switch …
Technician Required
175
🔴
American Standard Central Air Conditioner error code 175: High pressure switch …
Technician Required
177
🟡
American Standard Central Air Conditioner error code 177: Limit switch open.
Technician Required
178
🟡
American Standard Central Air Conditioner error code 178: Inducer motor fault.
Technician Required
179
🔴
American Standard Central Air Conditioner error code 179: Flame sensor failure.
Technician Required
180
🟡
American Standard Central Air Conditioner error code 180: Pressure switch open …
Technician Required
226
🔴
American Standard Central Air Conditioner error code 226: Low gas pressure.
Technician Required
227
🔴
American Standard Central Air Conditioner error code 227: High gas pressure.
Technician Required
E01
🟡
American Standard Central Air Conditioner error code E01: Communication error.
Technician Required
E02
🟢
American Standard Central Air Conditioner error code E02: Outdoor ambient sensor …
✓ DIY Possible
E03
🟢
American Standard Central Air Conditioner error code E03: Outdoor coil sensor …
✓ DIY Possible
E04
🟢
American Standard Central Air Conditioner error code E04: Discharge temperature …
✓ DIY Possible
E05
🟢
American Standard Central Air Conditioner error code E05: Suction temperature …
✓ DIY Possible