Quick reference for diagnosing and resolving error codes displayed on your Enclave Vacuum Autoclave.
The controller has detected that the chamber temperature has risen above the safe upper limit during the purging (pre-heating) phase. This error can occur during any of the three sequential purge cycles that precede the main sterilisation phase.
| # | Probable Cause | Plan of Action |
|---|---|---|
| 1 | Complete failure of temperature regulation — heater power train permanently energised, all software cutoffs bypassed | Contact Technical Person |
| 2 | Temperature sensor open-circuit | Contact Technical Person |
| 3 | Thermal runaway due to failed chamber insulation or ventilation blockage | Contact Technical Person |
The controller has detected that the chamber has not reached a minimum expected temperature within the allowable warm-up period from the start of the cycle. This indicates a fundamental failure in the heating system — the chamber is not receiving heat, or heat is being lost faster than it can be generated.
| # | Probable Cause | Plan of Action |
|---|---|---|
| 1 | Heater element failure during a mid-cycle phase (open-circuit after initial operation) | Contact Technical Person |
| 2 | Temperature sensor shorted to ground or returning near-zero readings | Contact Technical Person |
| 3 | SSR or relay contact failure — heater power path interrupted after initial successful operation | Contact Technical Person |
| 4 | Loss of mains power to the heater circuit while the controller remains powered via a separate supply or backup | Contact Technical Person |
| 5 | Excessive steam venting, door seal leak, or chamber breach causing rapid uncontrolled cooling | Contact Technical Person |
The controller has detected that the chamber temperature has risen above the safe upper limit during either the heating ramp phase or during the sterilisation hold phase .
| # | Probable Cause | Plan of Action |
|---|---|---|
| 1 | Electromagnetic interference (EMI) from nearby equipment or mains transients inducing a false interrupt on the controller board | Contact Technical Person |
| 2 | Hardware fault on the controller PCB activating an unused peripheral interrupt circuit | Contact Technical Person |
| 3 | Memory corruption due to power supply instability (brown-out, voltage sag) causing unpredictable processor behaviour | Contact Technical Person |
| 4 | Defective or degraded controller board — solder joint failure, cracked trace, or component drift | Contact Technical Person |
| 5 | Inadequate grounding or shielding of the controller enclosure | Contact Technical Person |
This is critical safety check. Condition A — Extreme Over-Temperature: The chamber temperature has exceeded the absolute upper safety limit. This limit is set significantly above any normal operating temperature and represents a condition where chamber integrity or operator safety may be at risk. Condition B — Under-Temperature (Later Phases Only): The chamber temperature has fallen below a minimum threshold, indicating a complete loss of heating capability. Both conditions require the abnormal reading before the error is raised, preventing false triggers. WARNING This error represents the most serious fault condition in the system. If this error appears repeatedly, do not attempt to restart the unit without a thorough investigation of the heater power train, temperature sensing, and chamber integrity.
Refer to general diagnostic procedure or contact GDP service support.
The controller's microprocessor has received a corrupted interrupt signal. This is not a process-condition error but rather a hardware-level anomaly. The controller treats this as a potentially unsafe condition and performs an immediate safe shutdown. This error can occur at any point during operation and is independent of the cycle phase or chamber conditions.
Refer to general diagnostic procedure or contact GDP service support.
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