Temperzone UC8 Operation, OSA models with inverter, issue 1
11.2. Inverter fault codes
The following set of fault codes relate to the Power+ compressor driver.
The fault code shown on the controller is F100 plus the alarm code as reported by the Power+ driver.
For detailed information about the Power+ alarm codes refer to the Carel Power+ speed drive user
manual, chapter 8.3: Alarms table. A brief summary follows here:
No communications between Power+ driver
and UC8
No power to the driver
Communications cable disconnected
Driver incorrect DIP switch settings
Incorrect compressor model selected
Insufficient airflow
Fan malfunction
Mains supply voltage too high
Mains supply voltage too low
Insufficient cooling of the drive
Incorrect compressor model selected
Insufficient airflow
Fan malfunction
Incorrect compressor model selected
Excessive drive DC bus ripple
Unbalanced mains phase voltages
Communications cable disconnected
Driver is disabled (input STO is open circuit)
Wire links to the drive disconnected
Loose compressor motor wire
Power factor correction circuit overload
Mains input voltage too high
Mains supply voltage too high
Mains input voltage too low
Mains supply voltage too low
Drive overload protection
Drive reports incorrect compressor speed
Drive and compressor mismatch
Incorrect compressor model selected
Drive configuration fault
Remove mains power, then re-apply
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