220 ACH550-UH User’s Manual
Diagnostics
Note 1. Even when the relay output is configured to indicate alarm conditions (e.g. parameter
1401
RELAY OUTPUT 1 = 5 (ALARM) or 16 (FLT/ALARM)), this alarm is not indicated by a relay output.
2022 START ENABLE 2
MISSING
This alarm warns that the Start Enable 2 signal is missing.
• To control Start Enable 2 function, use parameter 1609.
To correct, check:
• Digital input configuration.
• Communication settings.
2023
EMERGENCY
STOP
Emergency stop activated.
Alarm
Code
Display Description
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