Find the exact code. Keep the model in view.
This lookup covers only the Carrier 58CVA/58CVX Series 160 control documented in manual 58CV-13SI. It lists the manufacturer’s short code labels, not diagnoses or repair steps.
Check the rating plate and the control’s service label. Do not apply this table to a different series or a code from another system.
Count short flashes, then long flashes.
For this control, the manual uses short flashes as the first digit and long flashes as the second. Read the amber LED through the blower-door sight glass; do not open a service panel to use this tool. Manufacturer description, p. 47 ↗
Codes in this document
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| Code | Manufacturer label | Reference |
|---|---|---|
| 11 | NO PREVIOUS CODEContext for this status | Manual p. 57 |
| 12 | BLOWER ON AFTER POWER UPContext for this status | Manual p. 57 |
| 13 | LIMIT CIRCUIT LOCKOUT | Manual p. 57 |
| 14 | IGNITION LOCKOUT | Manual p. 57 |
| 15 | BLOWER MOTOR LOCKOUT | Manual p. 57 |
| 21 | GAS HEATING LOCKOUT | Manual p. 57 |
| 22 | ABNORMAL FLAME-PROVING SIGNAL | Manual p. 57 |
| 23 | PRESSURE SWITCH DID NOT OPEN | Manual p. 57 |
| 24 | SECONDARY VOLTAGE FUSE IS OPEN | Manual p. 57 |
| 25 | INVALID MODEL SELECTION OR SETUP ERROR | Manual p. 58 |
| 31 | HIGH-HEAT PRESSURE SWITCH OR RELAY DID NOT CLOSE OR REOPENED | Manual p. 58 |
| 32 | LOW-HEAT PRESSURE SWITCH DID NOT CLOSE OR REOPENED | Manual p. 57 |
| 33 | LIMIT CIRCUIT FAULT | Manual p. 57 |
| 34 | IGNITION PROVING FAILURE | Manual p. 57 |
| 41 | BLOWER MOTOR FAULT | Manual p. 58 |
| 43 | LOW-HEAT PRESSURE SWITCH OPEN WHILE HIGH-HEAT PRESSURE SWITCH IS CLOSED | Manual p. 57 |
| 45 | CONTROL CIRCUITRY LOCKOUT | Manual p. 57 |
No matching code in this document. Verify the equipment model and service label.
A label is not a failed part.
Several entries name circuits, switches or lockouts. That is the wording of a control status, not evidence that a specific component must be replaced. A code on another model may have a different meaning.
Do not use this as a repair procedure.
The cited manual reserves installation and service for trained, qualified personnel. If the system has an active fault or unsafe condition, follow the manufacturer’s safety instructions and contact a qualified HVAC professional.
Source: Carrier 58CV-13SI, Edition 09/13, printed pp. 47 and 57–58. This site is independent of Carrier. How we handle evidence →